ATTACHMENT E

SPECIAL STATUS AMPHIBIAN REPORT

October 4, 2013 (Revised February 4, 2014)

Mr. David Rydman, P.E. VIA EMAIL AND MAIL Carollo Engineers, Inc. [email protected] 199 South Los Robles Avenue, Suite 530 Pasadena, California 91101

Subject: Results of the 2013 Amphibian Surveys for the Arroyo Seco Canyon Project in Pasadena, Los Angeles County, California Dear Mr. Rydman: This Letter Report presents the results of focused surveys to determine the presence or absence of special status amphibian species, including the arroyo toad (Anaxyrus californicus) and California red-legged frog (Rana draytonii), on the Arroyo Seco Canyon Project Site (hereinafter referred to as the “Project Site”). A Biologist with the necessary experience conducted the surveys according to U.S. Fish and Wildlife Service (USFWS) protocol for these species. The Arroyo Seco Canyon Project will increase the utilization of surface water rights held by the City of Pasadena Water and Power Department (PWP) and the Lincoln Avenue Water Company (LAWC) by restoring and improving the intake facilities; modifying the existing sediment removal mechanism; naturalizing the Arroyo Seco streambed; and expanding recharge operations by creating additional spreading basins. In addition, the project is planned to include a new public restroom facility with recreational and educational amenities near the Headworks structure, as well as a new reduced size parking lot at the existing Jet Propulsion Laboratory (JPL) parking site for those using the Arroyo Seco Canyon and Hahamongna Watershed Park area. The Project Site is in the City of Pasadena and is located on the U.S. Geological Survey’s (USGS’) Pasadena 7.5-minute quadrangle map (Exhibit 1).

SPECIES BACKGROUND

Arroyo Toad

The USFWS listed the arroyo toad as a federally Endangered species on December 16, 1994, and is considered a California Species of Special Concern (USFWS 1994; CDFW 2013). At the time of listing, the arroyo toad (Anaxyrus californicus) was considered a subspecies of Bufo microscaphus occurring in Southern California and Arizona, until genetic studies (Gergus 1998) separated the arroyo toad (B. californicus) from the Arizona toad (B. microscaphus). Recent research (Frost et al. 2006) places both species in the genus Anaxyrus.

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This rather uniformly warty, stocky toad has a light-colored stripe across the head between and including the eyelids. The parotid glands are oval-shaped, widely separated, and pale toward the front. The underside of the arroyo toad is usually buff-colored and unspotted, and the cranial crests are absent or weak. Reproductive adult toads typically range from 2 to 2.6 inches snout to vent length (svl) for males and 2.6 to 3.1 inches svl for females (Sweet 1992, 1993).Tadpoles reach an average maximum length of 1.3 inches (maximum record of 1.6 inches) and are black in coloration at hatching, developing tan dorsum and crossbars on the tail and an opaque, white venter before metamorphosing (Sweet 1992).

Early descriptions of the habitat requirements for the arroyo toad are based on detailed life history studies conducted over a period of years by Dr. Samuel Sweet (1992, 1993). Much of that work was conducted in the Los Padres National Forest in Santa Barbara County. Subsequent to this work, additional studies of populations in other portions of the range have resulted in a somewhat broader habitat description (e.g., Griffin et al. 1999; Ramirez 1999, 2000, 2001, 2002a, 2002b, 2002c). It can generally be said that the arroyo toad frequents third order washes, streams, and arroyos in semiarid parts of the southwest; however, they are also found in first or second order headwaters to third order water courses. Stream substrates range from sands to small cobble, with sandy banks supporting mule fat (Baccharis salicifolia), willows (Salix spp.), cottonwoods (Populus spp.), and/or sycamores (Platanus racemosa. The arroyo toad breeds both within streams and in small backwater pools that form along the stream margins, usually in relatively shallow water (ten centimeters or four inches) with sand or gravel substrate.

Arroyo toads are nocturnal and will move extensively in upland habitats and seasonally. Adult males will sometimes travel 1.2 to 1.9 miles along a stream course, often becoming more sedentary once reaching a large size (Sweet 1992). Females are more sedentary, typically maintaining an area of movement less than 330 feet in diameter (Sweet 1992). Adults feed primarily on ants, particularly nocturnal, trail-forming tree ants (Liometopum occidentale), but will also consume other invertebrates (Sweet 1992). Tadpoles are substrate gleaners, feeding on detritus and microbial mats from just beneath the surface layer of fine sediments or within the interstices of gravel deposits (Sweet 1992).

During the breeding season, typically from February to July, males will make advertisement vocalizations above water from shallow areas along the creek margins. The advertisement call is a whistling trill that lasts from 4 to 9 seconds in duration and is audible up to 300 meters under ideal conditions (Gergus et al. 1997). Egg strings of 2,000 to 10,000 eggs are deposited in shallow water (less than 4 inches in depth) on fine sediment with very low current and hatch 4 to 6 days later (Sweet 1992). Larval stage length ranges from 65 to 80 days post-hatching (Sweet 1992).

On February 7, 2001, the USFWS published a final rule designating 182,360 acres of land in Monterey, Santa Barbara, Ventura, Los Angeles, San Bernardino, Riverside, Orange, and San Diego counties, California as critical habitat for the arroyo toad (USFWS 2001). Following the designation of critical habitat, several lawsuits were filed challenging various aspects of the designation. In response to these lawsuits, the critical habitat designation was vacated and the USFWS was instructed by the court to re-evaluate its previous position.

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On April 13, 2005, the USFWS published a final rule designating 11,695 acres of critical habitat for the arroyo toad in portions of Santa Barbara, Ventura, Los Angeles, Riverside, and San Bernardino Counties, California (USFWS 2005a). The final critical habitat designation reflects the exclusion of 13 units totaling 67,584 acres based solely on economic considerations. These units are located in Santa Barbara, Ventura, Los Angeles, Orange, Riverside, San Bernardino, and San Diego Counties. Portions of two other units in Orange and San Diego Counties were excluded from critical habitat based on economic considerations and a combination of other factors. All proposed critical habitat in Monterey, Orange, and San Diego Counties was excluded in the final rule.

Following a challenge of the 2005 critical habitat designation by the Centers for Biological Diversity (CBD) on December 19, 2007, a settlement agreement was reached in which the USFWS reconsidered the designation. The revised critical habitat designation was published in the Federal Register on February 9, 2011, and included 98,366 acres in Santa Barbara, Ventura, Los Angeles, San Bernardino, Riverside, Orange, and San Diego Counties, California.

The project site is not within critical habitat but is located approximately 7 miles south of Unit 7, which is within Big Tujunga Creek above Big Tujunga Reservoir. Unit 7 encompasses: (1) approximately 8 miles of upper Big Tujunga Creek from immediately above Big Tujunga Reservoir upstream to 1.2 miles above the confluence with Alder Creek; (2) approximately 3.7 miles of Mill Creek from the Monte Cristo Creek confluence downstream to Big Tujunga Creek; and (3) 1.9 miles of Alder Creek from the Mule Fork confluence downstream to Big Tujunga Creek. The closest known population for this species is within Unit 7 immediately upstream of Big Tujunga Reservoir approximately 7 miles north of the project site.

California Red-Legged Frog

The USFWS listed the California red-legged frog as an Endangered species on May 23, 1996, and is considered a California Species of Special Concern. This species has been extirpated from approximately 70 percent of its historic range (USFWS 2006). At the time of listing, the red-legged frog (Rana aurora) was comprised of two subspecies, the California red-legged frog (R. aurora draytonii) and the northern red-legged frog (R. aurora aurora) until genetic studies (Shaffer et al. 2004) determined that R. aurora is actually two separate species, northern red-legged frog (R. aurora) and California red-legged frog (R. draytonii). The ranges of these two species overlap in Mendocino County. Only the California red-legged frog (R. draytonii) occurs in the project region.

The California red-legged frog ranges in size from 1.5 to 5.5 inches svl, making it the largest native frog in the Western United States (Wright and Wright 1949). Adult females are significantly longer than males, with an average svl of 5.4 inches versus 4.5 inches for adult males (Hayes and Miyamoto 1984). The hind legs and lower abdomen of adult frogs are often characterized by a reddish or salmon pink color, and the back is brown, gray, olive, or reddish brown, marked with small black flecks and larger irregular dark blotches (USFWS 2002a; Stebbins 2003). Dorsal spots often have light centers, and in some individuals form a network of black lines (Stebbins 2003). Dorsolateral folds are prominent. Tadpoles range in length from 14 to 80 millimeters, and are a dark brown or olive, marked with darker spots (Storer 1925).

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This species is found in humid forests, woodlands, grasslands, streams, wetlands, ponds, and lakes from sea level to 8,000 feet above mean sea level (msl)(Stebbins 2003). Preferred breeding habitat includes deep ponds and slow-moving streams where emergent vegetation is found on the bank edges (Jennings and Hayes 1994). Although primarily aquatic, it has been recorded in damp terrestrial places up to 302 feet from water for up to 50 consecutive days (Tatarian 2008) and using small mammal burrows and moist leaf litter as refugia during dry periods (Jennings and Hayes 1994b).

California red-legged frog adults tend to be primarily nocturnal, while juveniles can be active at any time of day (Hayes and Tennant 1985). Adults feed on a wide range of prey, having been recorded feeding on at least 42 different taxa in a single study (Hayes and Tennant 1985), the majority of which were terrestrial invertebrates, but also included fish, other amphibians, and small rodents. The diet of red-legged tadpoles has not been studied, but is expected to be similar to other ranid frogs that feed on algae, diatoms, and detritus by grazing the surface of rocks and vegetation (Kupferberg 1997).

During the breeding season, typically from November through April, males call to females from the margins of ponds and slow streams (Jennings and Hayes 1994a). Unlike northern red-legged frogs, which lack vocal sacs and call underwater, California red-legged frogs have paired vocal sacs and call above the water surface (Hayes and Krempels 1986), though vocalizations are relatively weak and difficult to detect. Actual mating most commonly occurs in March, but can vary depending on seasonal climatic patterns. The female lays a jellylike mass of 2,000 to 5,000 reddish brown eggs attached to emergent vegetation, twigs, or other structures in still or slow moving water. The resulting tadpoles typically require about 3 weeks to hatch, and another 11 to 20 weeks to metamorphose into juvenile frogs. Metamorphosis typically occurs from July to September, although some tadpoles have been observed to delay metamorphosis until the following March or April (Bobzien et al. 2000; Fellers et al. 2001). Male red-legged frogs typically reach sexual maturity two years from metamorphosis whereas females reach sexual maturity three years from metamorphosis (Jennings and Hayes 1985).

On April 13, 2006, the USFWS reissued the final Critical Habitat designation for the California red-legged frog, greatly reducing the approximate 4.1 million acres which had previously been proposed in 2000 (USFWS 2000) and designated in 2001. The 2006 Critical Habitat designation included approximately 450,288 acres located in Alameda, Butte, Contra Costa, El Dorado, Kern, Los Angeles, Marin, Merced, Monterey, Napa, Nevada, San Benito, San Luis Obispo, San Mateo, Santa Barbara, Santa Clara, Santa Cruz, Solano, Ventura, and Yuba Counties, California. However, the USFWS reviewed the 2006 Critical Habitat designation in response to questions raised about the integrity of the scientific information used for this designation and its consistency with appropriate legal standards. On September 16, 2008, the USFWS proposed to revise the Critical Habitat boundaries to better reflect lands containing essential features for this species, designating approximately 1,804,856 acres of critical habitat in 28 California counties with the addition of units in Calaveras, Kings, southern Mendocino, Placer, Riverside, San Joaquin, Sonoma, and Stanislaus Counties, resulting in an increase of approximately 1,354,577 acres (USFWS 2008). Based on public response received during the comment period, the USFWS published a final rule on March 17, 2011, designating approximately 1,636,609 acres of habitat in 27 California counties, excluding Riverside County from the final Critical

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Habitat designation. The survey area is not located within designated Critical Habitat for this species.

The California red-legged frog occurred historically in the Big Tujunga Creek above Big Tujunga Dam and in several other drainages in the San Gabriel Mountains, but it had not been observed in the San Gabriel Mountains since the mid-1980s. In fact, this species was considered extirpated from the entire Angeles National Forest (ANF) until small populations were rediscovered in San Francisquito Creek (Stephenson and Calcarone 1999) and in Aliso Creek near its confluence with Gleason Canyon (USFS 2009). The Aliso Creek population is the closest known for this species and is located approximately 15 miles northwest of the project site.

STUDY AREA

The approximate 2.5-mile Survey Area for special-status amphibian species includes Arroyo Seco from the Devil’s Gate Dam upstream to Agua Canyon down-slope of the Arroyo Gould Substation. The upper ¾ mile of the survey area is within the ANF and the remaining southern portion, approximately 1.75 miles in length, is within the City of Pasadena in Los Angeles County. The Study Area is represented on Sections 5, 31, and 32 of U.S. Geological Survey’s (USGS’) Pasadena 7.5-minute quadrangle map (Exhibit 1) at Township 1 North and Range 12 West with elevations ranging from 1,000 to 1,445 feet above msl. The upstream portion of the survey area in the ANF is primarily open space with few privately owned cabins. Land uses to the east and west of the ANF boundary include residential; research facilities (the NASA Jet Propulsion Laboratory); and recreational land uses, including the La Cañada Flintridge Country Club. This Survey Area is intended to capture potential habitat for special status amphibians throughout the Project boundaries which consist four discrete areas that include (from north to south): Area 1, the Arroyo Seco Headworks; Area 2, the Arroyo Seco Intake; Area 3, the JPL East Parking Lot; and the Temporary Staging Site between Areas 2 and 3; (Exhibit 2).

Arroyo Seco is characterized by very steep slopes, shallow soils, and watercourses contained within bedrock channels. Erosion has deposited alluvium, including large boulders, eroded rocks, cobbles, gravels, and coarse to fine sandy soils within the stream course, forming a braided alluvial wash that is the predominant geologic feature of the upper study area within the ANF and lower study area in the Hahamonga Watershed Park. Stream morphology is predominantly riffle with scattered pools. Water flow is perennial, but during drought and/or dry summer months drops below the surface in areas with deeper alluvial deposits, particularly Hahamonga Watershed Park.

Vegetation in the survey area consists mainly of willow riparian forest dominated by arroyo willow (Salix lasiolepis) and red willow (Salix laevigata); however, in some areas it is co-dominated by white alder (Alnus rhombifolia) and Fremont cottonwood (Populus fremontii ssp. fremontii). Other common species present include mule fat (Baccharis salicifolia) and mugwort (Artemisia douglasiana). Coast live oaks (Quercus agrifolia) and western sycamores (Platanus racemosa) are also present.

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SURVEY METHODOLOGY

Prior to conducting the focused surveys, a search of the most recent California Natural Diversity Data Base (CDFW 2013) and other relevant available documents (Jennings and Hayes 1994a, 1994b; Campbell et al. 1996; USFWS 2002a, 2002b, 2006, 2008, 2009, 2011) was conducted to determine if and to what extent the California red-legged frog and arroyo toad occur in the project vicinity.

Surveys were conducted by Sam Stewart, with assistance from Sarah Thomas, Jason Mintzer, Jonas Winbolt, and Nathan Moffatt. Surveys were completed in accordance with the red-legged frog protocol and the arroyo toad protocol established by the USFWS (USFWS 1999, 2005b). Surveyor qualifications are presented in Attachment A of this Letter Report. California red-legged frog survey data sheets are provided in Attachment B.

Mr. Stewart was the principal investigator and was present during all surveys. A total of eight surveys were conducted between January 1 and September 30, 2013, including two diurnal and two nocturnal surveys during the breeding season and best egg survey period (i.e., between February 25 and April 30), as specified by the California red-legged frog protocol for the Southern California region and two surveys (1 diurnal/1 nocturnal) during the non-breeding season (i.e., between July 1 and September 30). In accordance with the arroyo toad protocol, six surveys were completed between March 15 and July 30, each with a diurnal and nocturnal component, with at least one survey occurring in each month of April, May, and June.

Because surveys for these species were conducted concurrently, the timing of the surveys was scheduled to accommodate the activity patterns of both species. Diurnal surveys were conducted from 3 PM to dusk and nocturnal surveys were conducted from one hour after dusk to 1 AM. Surveys focused on the detection of frogs/toads by visually identifying species; listening for the advertising call of adult males; and checking potentially suitable breeding habitat for tadpoles and/or eggs. Survey biologists scanned pools for eggs, larvae, juveniles, amplexing pairs, or vocalizing adults in potentially suitable breeding locations along the stream, and for foraging individuals in the adjacent riparian and upland areas. Egg masses and strings, and/or larvae observed during surveys were identified to species in the field. Headlamps (Black Diamond Icon – 100 lumens), flashlights (Surefire E2L Outdoorsman – 60 lumens), and binoculars (Pentax DCF SP 8x42) were used to visually identify toads, frogs, and their larvae detected at night. Nocturnal surveys were conducted during appropriate environmental conditions conducive to the activity patterns for the red-legged frog and arroyo toad. Generally, these conditions are nighttime temperatures greater than 50 degrees Fahrenheit (°F), with low winds (less than 10 miles per hour), and avoiding nights with a full or nearly full moon. If the preferred environmental conditions were not met, surveys were conducted under conditions that were determined to be the most favorable for the species. Survey dates, times, and weather data are shown in Table 1.

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TABLE 1 SUMMARY OF AMPHIBIAN SURVEY CONDITIONS*

Relative Wind Temperature Humidity Cloud (miles/hour) (°F) (%) Cover Survey Surveying Biologists Survey Date Start End Start End Start End (%) 1 S. Stewart, S. Thomas 4/3/2013 4–7 0–2 76 54 49 80 Clear 2 S. Stewart, J. Mintzer 4/17/2013 5–10 6–10 70 58 16 28 Clear 3 S. Stewart, J. Winbolt 5/3/2013 2–5 0–1 88 63 6 19 30 4 S. Stewart, J. Mintzer 5/16/2013 1–5 Calm 70 55 60 83 50 5 S. Stewart, J. Mintzer 6/13/2013 3–5 Calm 78 58 44 78 Clear 6 S. Stewart, J. Mintzer 6/20/2013 2–5 Calm 78 61 45 56 Clear 7 S. Stewart, N. Moffatt 7/9/2013 0–2 0–1 88 69 37 70 Clear °F: degrees Fahrenheit * All measurements taken with a Kestrel 3500 weather meter

SURVEY RESULTS

No red-legged frogs or arroyo toads were observed during the focused amphibian surveys. Native amphibian species observed during surveys include Coast Range newt (Taricha torosa torosa), western toad (Anaxyrus boreas), California chorus frog (Pseudacris cadaverina), and Pacific chorus frog (Pseudacris regilla). A list of all wildlife species observed within the survey area is included in Attachment C to this Letter Report. Special status species encountered during focused surveys are presented in Table 2.

TABLE 2 SPECIAL STATUS SPECIES ENCOUNTERED DURING SURVEYS

Status Scientific Name Common Name USFWS USFS CDFW Amphibians Taricha torosa torosa Coast Range newt – S SSC Reptiles Thamnophis hammondii two-striped garter snake – S SSC USFWS: U.S. Fish and Wildlife Service; USFS: U.S. Forest Service; CDFW: California Department of Fish and Wildlife Federal (USFWS, USFS) Designations S Listed by the U.S. Forest Service as “Sensitive” State (CDFW) Designations SSC Species of Special Concern

Other non-native aquatic fauna observed during surveys include American bullfrog (Lithobates catesbeiana) and red-eared slider (Trachemys scripta).These observations were few in number, indicating that these species are not well established in the study area. However, the

Mr. David Rydman, P.E. Page 8 of 13 October 4, 2013 (Revised February 4, 2014) Arroyo Seco Canyon Project documented presence of multiple non-native aquatic species represents a decline in habitat quality for native species.

BonTerra Consulting has appreciated the opportunity to assist with this project. Please contact Marc Blain or Sam Stewart at (626) 351-2000 if you have questions or comments.

Sincerely, BonTerra Psomas

Marc T. Blain Samuel C. Stewart, IV Associate, Biological Resources Manager Project Manager

Enclosures: Exhibits 1 and 2 Attachment A – Surveyor Qualifications Attachment B – California Red-legged Frog Survey Data Sheets Attachment C – Wildlife Compendium

R:\PAS\Projects\Carollo\J041\ARTO CRF Report-020314.doc

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U.S. Fish and Wildlife Service (USFWS). 2011 (February 9). Endangered and Threatened Wildlife and Plants; Revised Critical Habitat for the Arroyo Toad; Final Rule. Federal Register 76(27): 7245–7467. Washington, D.C.: USFWS.

———. 2009 (October 13). Endangered and Threatened Wildlife and Plants; Revised Critical Habitat for the Arroyo Toad (Anaxyrus californicus); Proposed Rule. Federal Register 74(196): 52611–52664. Washington, D.C.: USFWS.

———. 2008. Endangered and Threatened Wildlife and Plants; Revised Critical Habitat for the California Red-Legged Frog (Rana aurora draytonii). Federal Register 73(180): 53491– 53680. Washington, D.C.: USFWS.

———. 2006a (September 14). Endangered and Threatened Wildlife and Plants; Designation of Critical Habitat for the Southern California Distinct Vertebrate Population Segment of the Mountain Yellow-Legged Frog (Rana muscosa); Proposed Rules. Federal Register 71(178): 54344–54386. Washington, D.C.: USFWS.

———. 2006b. Endangered and Threatened Wildlife and Plants; Designation of Critical Habitat for the California Red-legged Frog, and Special Rule Exemption Associated with Final Listing for Existing Routine Ranching Activities; Final Rule. Federal Register 71(71): 19243–19346. Washington, D.C.: USFWS.

Mr. David Rydman, P.E. Page 12 of 13 October 4, 2013 (Revised February 4, 2014) Arroyo Seco Canyon Project

———. 2005a (September 13). Endangered and Threatened Wildlife and Plants; Proposed Designation of Critical Habitat for the Southern California Distinct Vertebrate Population Segment of the Mountain Yellow-Legged Frog (Rana muscosa); Proposed Rules. Federal Register 70(176): 54106–54143. Washington, D.C.: USFWS.

———. 2005b (August). Revised Guidance on Site Assessment and Field Surveys for the California Red-legged frog. Portland, OR: USFWS.

———. 2004 (April 28). Endangered and Threatened Wildlife and Plants; Proposed Designation of Critical Habitat for the Arroyo Toad (Bufo californicus); Proposed Rule. Federal Register 69(82): 23253–23328. Washington, D.C.: USFWS.

———. 2002a. Recovery Plan for the California Red-legged Frog (Rana aurora draytonii). Portland, OR: USFWS.

———. 2002b (July 2). Endangered and Threatened Wildlife and Plants; Determination of Endangered Status for the Southern California Distinct Vertebrate Population Segment of the Mountain Yellow-Legged Frog (Rana muscosa); Rules and Regulations. Federal Register Vol. 67(127): 44382–44392. Washington, D.C.: USFWS.

———. 2001 (February 7). Endangered and Threatened Wildlife and Plants; Final Designation of Critical Habitat for the Arroyo Toad; Final Rule. Federal Register 66 (26): 9414–9474. Washington, D.C.: USFWS.

———. 2000. Endangered and Threatened Wildlife and Plants; Proposed Designation of Critical Habitat for the California Red-Legged Frog (Rana aurora draytonii); Proposed Rule. Federal Register 65(176): 54891–54932. Washington, D.C.: USFWS.

———. 1999. Survey Protocol for the Arroyo Toad. Ventura, CA: USFWS.

———. 1996. Endangered and Threatened Wildlife and Plants: Determination of Threatened Status for the California Red-legged Frog: Final Rule. Federal Register 61(25): 813–833. Washington, D.C.: USFWS.

———. 1994. Endangered and Threatened Wildlife and Plants; Determination of Endangered Status for the Arroyo Southwestern Toad; Final Rule. Federal Register 59(241): 64859– 64866. Washington, D.C.: USFWS.

United States Forest Service (USFS). 2009 (September). Wildlife and Fish Technical Specialist Report: Burned Area Emergency Rehabilitation for the Station Fire. Arcadia, CA: USFW, Angeles National Forest Supervisor’s Office,. http://www.fs.fed.us/r5/angeles/station/BAER/SpecialistReports/WildlifeAssessmentRep ort_PublicRelease_StationBAER.pdf.

Vredenburg, V.T., R. Bingham, R. Knapp, J.A.T. Morgan, C. Moritz, and D. Wake. 2007. Concordant Molecular and Phenotypic Data Delineate New Taxonomy and Conservation Priorities for the Endangered Mountain Yellow-Legged Frog. Journal of Zoology 271:361–374. London, England: Zoological Society of London.

Mr. David Rydman, P.E. Page 13 of 13 October 4, 2013 (Revised February 4, 2014) Arroyo Seco Canyon Project

Wright, A. H. and A.A. Wright, A. A. 1949. Handbook of Frogs and Toads of the United States and Canada. Ithaca, NY: Comstock Publishing Company, Inc..

Zweifel, R.G. 1955. Ecology, Distribution, and Systematics of Frogs of the Rana boylei Group. University of California Publications in Zoology 54(4):207–292. Berkeley, CA: University of California Press.

Santa iver Clara R Clarita

A N G E L E S

N A T I O N A L

F O R E S T ST118

5 Project Location ¨§ 210 Chatsworth ¨§ Reservoir Van Nuys ST170 Burbank 101 Altadena ¤£ Glendale ST134

Pasadena ST27 ST110 ST710 West Hollywood Santa Monica ST1 ¨§10 Los Angeles ¨§605 710 110 ¨§ Whittier ¨§405 ¨§ ST72 Downey ¨§105

Project Boundary Source: USGS 7.5 Minute Quadrangle

D:\Projects\Carollo\J041\MXD\Amphibian\ex_RL_USGS.mxd Pasadena, CA Regional and Local Vicinity Exhibit 1 Focused Survey for Special Status Amphibian Species for the Arroyo Seco Canyon Project

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Survey Areas Exhibit 2 Focused Survey for Special Status Amphibian Species for the Arroyo Seco Canyon Project

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ATTACHMENT A

SURVEYOR QUALIFICATIONS

Arroyo Seco Canyon Project

SAM C. STEWART IV – LEAD SURVEYOR

Mr. Sam Stewart has been working in the field of environmental consulting for 15 years conducting focused surveys for amphibian and reptile species throughout southern California. Mr. Stewart has observed all life stages of California red-legged frog (Rana draytonii) in the field in Pescadero Marsh, San Mateo County. Within the Angeles National Forest (ANF) he has observed all life stages of California red-legged frog in San Francisquito Creek, Aliso Creek, and Beartrap Creek. Mr. Stewart has observed adult arroyo toad (Anaxyrus californicus) in the Santa Clara River and all life stages in San Juan Creek. Within the ANF he has observed all life stages in Big Tujunga Creek, Alder Creek, and Lynx Gulch. Given Mr. Stewart’s field experience with native and introduced ranids and his familiarity with anuran morphology and anatomy, he is capable of visually identifying southern California toad and frog species with 100% certainty. He has surveyed for California red-legged frog in Ventura and Los Angeles counties with positive results in the Aliso Creek and Beartrap Creek. He has also surveyed for arroyo toad in Los Angeles, Orange, Riverside, and San Bernardino counties with positive findings in the Castaic/Santa Clara River area in 2003, San Juan Creek in 2007, 2008, 2009, 2011, and 2012, and Tujunga Creek, Alder Creek, and Lynx Gulch in 2011, 2012, and 2013.

Mr. Stewart has been lead herpetologist for the Southern California Edison Tehachapi Renewable Transmission Project since 2010, managing focused surveys in the ANF for arroyo toad and California red-legged frog. During focused surveys, he has recorded more than 200 observations of red-legged frog in all life stages in Aliso Creek and Beartrap Creek, as well as more than 200 observations of arroyo toad in all life stages in Tujunga Creek, Alder Creek and Lynx Gulch. Furthermore, Mr. Stewart is a USFWS-approved arroyo toad and California red- legged frog handler for the TRTP project and has translocated arroyo toad beyond the project disturbance limits during construction activity.

Mr. Stewart was on-call biological services contractor to Caltrans from 2007 to 2012. Mr. Stewart and Dr. Mike Robson developed a methodology for additional data collection on the arroyo toad population found along the 3-mile stretch of San Juan Creek adjacent to the segment of Ortega Highway undergoing safety improvements. Data collected included a GPS point, determination of sex, measurement of mass and snout-vent length, and a dorsal/ventral photographic record of each toad observed. Furthermore, during initial arroyo toad surveys, the presence of invasive species (bullfrog, African clawed frog, & red swamp crayfish) became apparent and an invasives control program was proposed and approved by USFWS staff to be carried out concurrent with focused surveys. Data was collected on over 2,000 reproductive adult bullfrogs taken from the creek, including sex, mass, snout-vent length (svl), and stomach contents. Mr. Stewart has been the lead biologist for biological monitoring, focused arroyo toad surveys, and the invasives control program in the San Juan Creek adjacent to the Ortega Highway project site from the second half of 2007 to present. The invasives control program resulted in the successful removal of all life stages of bullfrog from the San Juan Creek within the Cleveland National Forest (CNF) into downstream areas within Casper’s Regional Park. Mr. Stewart has handled over 300 adult and subadult arroyo toads, taken 5 years of data on this population and utilized the photographic data to determine growth rates and movement patterns within the canyon. Data will be summarized in a comprehensive report that will be submitted to USFWS and will potentially support proposed articles for publication in scientific journals.

R:\PAS\Projects\Carollo\J041\ARTO CRF Report-020314.doc A-1 Surveyor Qualifications Arroyo Seco Canyon Project

Other relevant work experience Since 2005, Mr. Stewart has served as an on-call biological surveyor for the Los Angeles County Department of Public Works, conducting constraints analyses and focused surveys for special status amphibian species, including coast range newt, spadefoot toad, arroyo toad, and Sierra Madre yellow-legged frog, in storm water basins and soft-bottom channel reaches throughout Los Angeles County. From 2005 to 2008, Mr. Stewart conducted amphibian focused surveys, and prepared and implemented a CDFG approved relocation plan for the western spadefoot, which included the construction of mitigation pools, relocation of western spadefoot toads and larvae, and long-term monitoring of spadefoot toad populations at the mitigation pools.

From 2003 to 2006, Mr. Stewart conducted focused surveys for amphibian species, including the arroyo toad and western spadefoot toad, on an approximately 1,200-acre survey area, including breeding habitat within 1 kilometer of the project impact boundary and portions of Castaic Creek. Surveys determined presence of western spadefoot and a mitigation program was developed to avoid and/or reduce project impacts to the species.

From 2002 to 2004, Mr. Stewart installed and operated reptile and amphibian pitfall trap arrays, and hand-captured reptile and amphibian species on a project site in Santa Clarita. Sensitive species on the project site included coastal western whiptail, silvery legless lizard, and western spadefoot toad. Mr. Stewart developed a protocol, consulted with the local California Department of Fish and Wildlife (CDFW) office to obtain a Memorandum of Understanding, and collected and relocated sensitive species from pitfall trap arrays, transporting them to predetermined appropriate on- and/or off-site habitat.

From 1999 to 2000, Mr. Stewart assisted Robert Goodman with focused surveys, implementation of a relocation plan, and monitoring of a relocated population of southwestern pond turtle in the San Gabriel River. Turtles were caught in funnel traps and by hand and moved to a tributary location above the Cogswell Dam. Some turtles were fitted with telemetry in order to monitor the population and determine program success. As part of the same project, Mr. Stewart assisted Dr. Noel Davis with fish and macroinvertebrate sampling (kick-netting, seining, and electrofishing) at several sampling locations in the San Gabriel River.

Education B.A., Bachelor of Arts, Social Ecology, University of California, Irvine, CA, 1998

R:\PAS\Projects\Carollo\J041\ARTO CRF Report-020314.doc A-2 Surveyor Qualifications

ATTACHMENT B

CALIFORNIA RED-LEGGED FROG DATA SHEETS

ATTACHMENT C

WILDLIFE COMPENDIUM

Arroyo Seco Canyon Project

ATTACHMENT C WILDLIFE COMPENDIUM

SPECIES Fish SALMONIDAE – TROUT & SALMON Oncorhynchus mykiss rainbow trout Amphibians SALAMANDRIDAE – SALAMANDERS Taricha torosa torosa coast range newt BUFONIDAE – TRUE TOADS Anaxyrus boreas western toad HYLIDAE – TREEFROGS Pseudacris [Hyla] cadaverina California chorus frog Pseudacris [Hyla] regilla Pacific chorus frog RANIDAE – TRUE FROGS Rana catesbeiana* bullfrog Reptiles EMYDIDAE – WATER & BOX TURTLES Trachemys scripta red-eared slider PHRYNOSOMATIDAE – ZEBRA-TAILED, FRINGE-TOED, SPINY, TREE, SIDE-BLOTCHED, AND HORNED LIZARDS Sceloporus occidentalis western fence lizard Uta stansburiana side-blotched lizard TEIIDAE – WHIPTAIL LIZARDS Aspidoscelis [Cnemidophorus] tigris stejnegeri coastal western whiptail COLUBRIDAE – COLUBRID SNAKES Pituophis catenifer gopher snake Trimorphodon ocrorhyncha coast night snake Thamnophis hammondii two-striped garter snake VIPERIDAE – VIPERS Crotalus oreganus western rattlesnake Birds ANATIDAE – WATERFOWL Anas platyrhynchos mallard ODONTOPHORIDAE – QUAILS Callipepla californica California quail

R:\PAS\Projects\Carollo\J041\ARTO CRF Report-020314.doc C-1 Wildlife Compendium Arroyo Seco Canyon Project

ATTACHMENT C WILDLIFE COMPENDIUM

SPECIES ARDEIDAE – HERONS Ardea herodias great blue heron Ardea alba great egret Egretta thula snowy egret Butorides virescens green heron Nycticorax nycticorax black-crowned night-heron ACCIPITRIDAE – HAWKS Accipiter cooperii Cooper’s hawk Buteo lineatus red-shouldered hawk Buteo jamaicensis red-tailed hawk FALCONIDAE – FALCONS Falco sparverius American kestrel RALLIDAE – RAILS Fulica americana American coot CHARADRIIDAE – PLOVERS Charadrius vociferus killdeer COLUMBIDAE – PIGEONS & DOVES Zenaida macroura mourning dove TYTONIDAE – BARN OWLS Tyto alba barn owl STRIGIDAE – TRUE OWLS Megascops kennicottii western screech owl Bubo virginianus great horned owl CAPRIMULGIDAE – GOATSUCKERS Phalaenoptilus nuttallii common poorwill APODIDAE – SWIFTS Aeronautes saxatalis white-throated swift TROCHILIDAE – HUMMINGBIRDS Archilochus alexandri black-chinned hummingbird Calypte anna Anna's hummingbird

R:\PAS\Projects\Carollo\J041\ARTO CRF Report-020314.doc C-2 Wildlife Compendium Arroyo Seco Canyon Project

ATTACHMENT C WILDLIFE COMPENDIUM

SPECIES Selasphorus sasin Allen's hummingbird PICIDAE – WOODPECKERS Melanerpes formicivorus acorn woodpecker Picoides nuttallii Nuttall’s woodpecker Picoides pubescens downy woodpecker Colaptes auratus northern flicker TYRANNIDAE – TYRANT FLYCATCHERS Contopus sordidulus western wood-pewee Empidonax difficilis Pacific-slope flycatcher Sayornis nigricans black phoebe Myiarchus cinerascens ash-throated flycatcher Tyrannus vociferans Cassin’s kingbird Tyrannus verticalis western kingbird VIREONIDAE – VIREOS Vireo gilvus warbling vireo CORVIDAE – JAYS & CROWS Aphelocoma californica western scrub-jay Corvus brachyrhynchos American crow Corvus corax common raven HIRUNDINIDAE – SWALLOWS Tachycineta thalassina violet-green swallow Stelgidopteryx serripennis northern rough-winged swallow Petrochelidon pyrrhonota cliff swallow Hirundo rustica barn swallow PARIDAE – TITMICE Baeolophus inornatus oak titmouse AEGITHALIDAE – BUSHTITS Psaltriparus minimus bushtit TROGLODYTIDAE – WRENS Campylorhynchus brunneicapillus

R:\PAS\Projects\Carollo\J041\ARTO CRF Report-020314.doc C-3 Wildlife Compendium Arroyo Seco Canyon Project

ATTACHMENT C WILDLIFE COMPENDIUM

SPECIES cactus wren Catherpes mexicanus canyon wren Salpinctes obsoletus rock wren Thryomanes bewickii Bewick's wren TURDIDAE – THRUSHES & ROBINS Sialia mexicana western bluebird TIMALIIDAE – WRENTITS Chamaea fasciata wrentit PTILOGONATIDAE – SILKY-FLYCATCHERS Phainopepla nitens phainopepla PARULIDAE – WARBLERS Dendroica petechia yellow warbler Dendroica nigrescens black-throated gray warbler Geothlypis trichas common yellowthroat Wilsonia pusilla Wilson’s warbler THRAUPIDAE – TANAGERS Piranga ludoviciana western tanager EMBERIZIDAE – SPARROWS & JUNCOS Pipilo maculatus spotted towhee Pipilo crissalis California towhee Melospiza melodia song sparrow Junco hyemalis dark-eyed junco CARDINALIDAE – GROSBEAKS & BUNTINGS Pheucticus melanocephalus black-headed grosbeak Passerina caerulea blue grosbeak ICTERIDAE – BLACKBIRDS Agelaius phoeniceus red-winged blackbird Molothrus ater brown-headed cowbird Icterus cucullatus hooded oriole Icterus bullockii Bullock’s oriole

R:\PAS\Projects\Carollo\J041\ARTO CRF Report-020314.doc C-4 Wildlife Compendium Arroyo Seco Canyon Project

ATTACHMENT C WILDLIFE COMPENDIUM

SPECIES FRINGILLIDAE – FINCHES Carpodacus mexicanus house finch Carduelis psaltria lesser goldfinch Carduelis tristis American goldfinch Mammals LEPORIDAE – HARES AND RABBITS Sylvilagus audubonii desert cottontail SCIURIDAE – SQUIRRELS Spermophilus beecheyi California ground squirrel GEOMYDAE – POCKET GOPHERS Thomomys bottae Botta's pocket gopher MURIDAE – MICE, RATS, AND VOLES Neotoma lepida desert woodrat CANIDAE – WOLVES & FOXES Canis latrans coyote Urocyon cinereoargenteus gray fox URSIDAE – BEARS Ursus americanus black bear PROCYONIDAE – RACCOONS Procyon lotor raccoon CERVIDAE – DEER Odocoileus hemionus mule deer FELIDAE – CATS Lynx rufus bobcat * introduced species

R:\PAS\Projects\Carollo\J041\ARTO CRF Report-020314.doc C-5 Wildlife Compendium