The Effect of Disturbance on Mourning Dove Nesting Success

Total Page:16

File Type:pdf, Size:1020Kb

The Effect of Disturbance on Mourning Dove Nesting Success THE EFFECT OF DISTURBANCE ON MOURNING DOVE NESTING SUCCESS DAVID WESTMORELAND AND LOUIS B. BEST Departmentof Animal Ecology,Iowa State University,Ames, Iowa 50011 USA ABSTRACT.--Disturbedand undisturbed Mourning Dove (Zenaidamacroura) nests were comparedfor differencesin daily survivalprobabilities and discrepanciesin the relationships between nest-sitefeatures and nesting outcome.At 3-day intervals, attending adults were flushed from disturbed nests(n = 51), whereas undisturbed nests(n = 50) were checkedfrom a distanceso that adultsdid not flush.Disturbed nests had significantly(P < 0.1) lower daily survival probabilities;this trend was evident during both the incubationand nestling stages, but was significantonly during the former. For disturbednests, two nest-sitefeatures (nest- bowl depth and nest support)were related to success(P < 0.1). In contrast,success of un- disturbednests was relatedto four variables(substrate height abovenest level, relative light intensity above the nest, nest concealment,and nest width). These results indicate that standardnest-checking procedures influence nesting success and confoundinterpretation of relationshipsbetween nest-site features and nesting outcome. Received10 December1984, accepted30 April 1985. MANY studies of the relationship between find nests, the value of concealment under nat- nesting successand nest-sitefeatures have re- ural conditions may be obscured.In the sum- suited in conflicting findings. For example, mer of 1983, we tested this hypothesiswith some authors (Meanley and Webb 1963, Hol- Mourning Dove nests.Any negative effect that comband Twist 1968) have reportedthat nest- nest checkshave on nestingsuccess should be ing successfor Red-winged Blackbirds (Age- particularlyevident for this speciesbecause the laius phoeniceus)is positively related to nest adults have noisy wingbeats [sometimes ac- height, whereas others have found a negative companiedby a distractiondisplay (Nice 1923)] relationship (Goddard and Board 1967, Ortego when flushed from the nest, and the eggsare and Hamilton 1978) or none at all (Francis 1971, noncryptic (white). The former could direct a Lenington 1980). Similar contradictoryresults predator's attention to the nest vicinity, and have been reported for Field Sparrows(Spizella the latter probably makes the nest more con- pusilla;Best 1978, Evans 1978) and Mourning spicuous.Under natural (undisturbed) condi- Doves (Zenaida macroura;Nice 1923, Schroeder tions, Mourning Doves attend the nest contin- 1970). Although researchershave studied sev- uously (Harris et al. 1963). eral bird speciesin diverse settings,most have Bart (1977) examined nest records for found no relationship between nest conceal- Mourning Doves and found evidence that ment and nestingsuccess (Roseberry and Klim- nesting successis reduced by researcherdis- stra 1970, Caccamise 1977, Best 1978, Gottfried turbance,but his results also can be explained and Thompson 1978, Best and Stauffer 1980, by reporting bias(Bart and Robson1982). Nich- Lenington 1980;but seeNolan 1978,Wray and ols et al. (1984) reported that daily vs. weekly Whitmore 1979, Murphy 1983). Becausepre- visits to Mourning Dove nests did not differ- dation often is the major causeof nest failure entially affectnesting success, but they did not in avian communities (Nolan 1963, Best and study undisturbed nests. Our objectiveswere Stauffer 1980), one would expect concealment to comparenesting successbetween disturbed to have a direct causal effect on nesting out- and undisturbed nests and to determine if dis- come. turbance obscuresrelationships between nest- The reason nest-site features often seem un- site featuresand nesting outcome. related to nesting successmay be that research- STUDY AREA AND METHODS er disturbance confounds the normal relation- ship between nest microhabitat and nesting The study was conductedfrom May through Au- outcome.If nest checksprovide additional cues gust 1983at Big Creek StatePark, Polk County, Iowa. or enhance existing cues that predatorsuse to A 110-ha sectionof the park containsseveral kilo- 774 The Auk 102:774-780. October1985 October1985] Disturbanceand Nesting Success 775 meters of windbreaks; each windbreak consists of a lesseggs or nestlingswere found on the groundbe- multiflora rose (Rosa multiflora) hedge flanked on one neath the nest. When the nest structure was dam- or both sidesby double rows of jack pine (Pinusbank- aged,we consideredmammals responsible. If the nest siana)or white pine (P. strobus).Most trees are less was intact, the failure was attributed to arian pred- than 6 m tall, and land use between windbreaks is ators. Snakesand chipmunks(Tamias striatus) were rotated between corn, alfalfa, oats, or nonuse. The rare in the study area, and we discountedthe impor- windbreaks are spacedat intervals of about 60 m. tanceof small nocturnal mammals(mice, shrews,etc.) Easternred cedar (Juniperusvirginiana) is a common becauseat least one adult dove was always present invader in perennially uncultivated areas. at the nest overnight. We located nestsby walking between pine rows To comparedifferences in nestingsuccess, we cal- and flushingnesting parents. All rowswere searched culatedthe daily nest survival probability (Mayfield weekly, and uncultivatedfield edgeswere searched 1975) and applied the statisticaltest developedby irregularly. When nests were discovered,we deter- Henslet and Nichols (1981). For these we used one- mined the age of eggsor nestlingsby using the de- tailed testsat a rejectionlevel of P < 0.1. This relaxed scriptionsin Hansonand Kossack(1963). We consid- rejectionlevel increasesthe power of the test (Hen- ered a nestingcycle initiated on the day the first egg sler and Nichols 1981) and has been the convention was laid. Nestswere randomly assignedto either dis- of previousresearchers (Coon et al. 1981,Nichols et turbed or undisturbed treatments. For the disturbed al. 1984). We used t-tests to compare nest-site vari- treatment,we approachednests directly, flushedthe ables between successful and unsuccessful nests attendingadult, and examinedthe nest contents.We within eachtreatment; a P < 0.05 rejectionlevel was checkedundisturbed nests from a distance(usually used for these analyses. >10 m) so that the attending adult did not flush. Mourning Dovescontinuously attend the nest until RESULTS the young are near fledRing age (Nice 1922),so pres- ence of an adult was taken as evidence that the nest Of the 150 nests found, 32 failed and 13 were wasstill active.In the latter half of the nestling stage, abandoned between initial discovery and the we often could see the nestlings directly. first revisit. We eliminated 4 additional nests Nestsin both treatmentswere checkedevery 3 days; from the undisturbed category becausethey when a nest failed, we assumed that it had survived could not be checkedwithout flushing the par- for 1.5 daysafter the previousvisit. Becauseall nests ent. The remaining 101 nests were used for were disturbed when discoveredinitially, we elimi- analyses.Median clutch age at discovery for natedfrom analysesall data for the interval between nest discoveryand the subsequentvisit. Nests that these nests was 5 days. failed during this period were not usedin analyses. Forty-three percent of all (101) nestssuccess- After a nest failed or the young fledged, we re- fully fledged at least one young; the daily s•r cordedthe speciesand height of the nest substrate, vival probability for all nests combined was nest height above the ground, nest width, depth of 0.946,yielding a nesting-successestimate of 21% the nest bowl, horizontal distance from the nest to for a 28-day nesting cycle. We attributed 79% the periphery of the substratecanopy, and, as an in- of the nest failures to avian predation. Doves dex of nest support, the total (sum) diameter of nested primarily in jack pine (61% of nests), branchessupporting the nest. Nest-bowl depth was multiflora rose (13%), and eastern red cedar measuredby placing a straightedgeacross the nest (8%). The remaining nestswere placed in elm and recordingthe perpendiculardistance from it to the center of the nest. The substrate height above (Ulmusspp.), mulberry (Morusspp.), and honey nest level was calculated from nest and substrate locust (Gleditsiatriacanthos) trees and in various height measurements.Visual concealment at nest shrubs.Daily nestsurvival probabilities did not level was rated aspoor, fair, good,or excellent(yield- differ (P > 0.1) among the three primary sub- ing valuesof 1-4, respectively).These estimates were strates(treatments pooled). made about 5 m from the nest in each of the four Effectsof disturbanceon nestingsuccess.--Thir- cardinal directions; the mean was used as an overall ty-sevenpercent of disturbednests and 50%of index of concealment around the nest. We estimated undisturbed nests were successful.Daily nest concealmentabove the nest by recordinglight inten- survival probabilitieswere significantlylower sity immediately above the nest and expressingit as for disturbed nests (P < 0.1); this trend was a percentageof ambient light intensity. We considereda nesting attempt successfulif the presentduring both the egg and nestlingstages, young survived to 10 days of age (Coon et al. 1981, but was significantonly during the former (Ta- Nichols et al. 1984). Nestlings usually remain in the ble 1). By Mayfield estimates,disturbed nests nest until age 13-14 days but will fledge at 10 days were about 50% as successful as undisturbed if disturbed.Failures were attributed to predatorsun- nests.
Recommended publications
  • Mourning Dove (Zenaida Macroura)
    Mourning Dove (Zenaida macroura) February 2006 Fish and Wildlife Habitat Management Leaflet Number 31 General information The mourning dove (Zenaida macroura) is one of the most widely distributed and abundant birds in North America. Fall populations of this game bird in the United States are estimated to be slightly more than 400 million birds. In recent years, the annual harvest by hunting in the United States has been estimated at 18 to 25 million birds, similar to the harvest of all oth- er migratory game birds combined. Mourning doves are highly adaptable, occurring in most ecological types except marshes and heavily forested areas. The mourning dove is a medium-sized member of the U.S. Fish and Wildlife Service Columbidae family. While this family consists of ap- Mourning dove (Zenaida macroura) proximately 300 species of doves and pigeons, only 8 species, including the mourning dove, are native tends his wings and begins a long spiraling glide back to the United States. The mourning dove is approxi- down. The perch coo is one of the few vocalizations mately 11 to 13 inches in length, with a 17– to 19–inch that mourning doves make. It consists of one note fol- wingspan, weighing on average 4.4 ounces. Mourning lowed by a higher one, then three to five notes held at doves have delicate bills and long, pointed tails. They great length, and it is used by males to court females. are grayish-brown and buff in color, with black spots A female will respond to the perch coo in one of three on wing coverts and near ears.
    [Show full text]
  • Mourning Dove Population Status, 2014 Mourning Dove Population Status, 2014
    U.S. Fish & Wildlife Service Mourning Dove Population Status, 2014 Mourning Dove Population Status, 2014 U.S. Fish and Wildlife Service Division of Migratory Bird Management Population and Habitat Assessment Branch 11510 American Holly Drive Laurel, MD 20708-4002 July 2014 Cover photograph: Mourning Dove by Bob Gress © Suggested citation: Seamans, M. E., and T. A. Sanders. 2014. Mourning dove population status, 2014. U.S. Department of the Interior, Fish and Wildlife Service, Division of Migratory Bird Management, Washington, D.C. All Division of Migratory Bird Management reports are available on our web site at: http://www.fws.gov/migratorybirds/newspublicationsreports.html MOURNING DOVE POPULATION STATUS, 2014 MARK E. SEAMANS, U.S. Fish and Wildlife Service, Division of Migratory Bird Management, 755 Parfet Street Suite 235, Lakewood, CO 80215 TODD A. SANDERS, U.S. Fish and Wildlife Service, Division of Migratory Bird Management, 1211 SE Cardinal Court Suite 100, Vancouver, WA 98683 Abstract: This report summarizes information collected annually in the United States on survival, recruitment, abundance and harvest of mourning doves. We report on trends in the number of doves heard and seen per route from the all-bird Breeding Bird Survey (BBS), and provide absolute abundance estimates based on band recovery and harvest data. Harvest and hunter participation are estimated from the Migratory Bird Harvest Information Program (HIP). BBS data suggested that the abundance of mourning doves over the last 48 years increased in the Eastern Management Unit (EMU) and decreased in the Central (CMU) and Western (WMU) Management Units. Estimates of absolute abundance are available only since 2003 and indicate that there are about 275 million doves in the United States; annual abundance during the recent 5 years appears stationary in the EMU and WMU, but may be declining in the CMU.
    [Show full text]
  • Spring Has Sprung! in What Should Be One of the Coldest Months of the Year, We Are Having Near Record Highs and Buds Are Starting to Break
    Spring has sprung! In what should be one of the coldest months of the year, we are having near record highs and buds are starting to break. Luckily we have been receiving plenty of moisture in the Pineywoods and from what I can tell from recent browse surveys, we are going into Spring in pretty good shape. In this edition of the Pineywoods Post we will take a look at some of the Pineywoods latest inhabitants, the white winged dove, one of our prettiest plants. a native hibiscus, and get a Eastern Turkey research update from District Leader Gary Calkins. Inside This Edition Page 2 Critter Corner Page 3 Biologist Bio Page 4 Plant Profile Page 6 Outdoor Snapshots Page 7 Research Update If you would like to unsubscribe to this newsletter or if you received this e-mail from someone other than TPWD and would like to subscribe, please send an e-mail indicating such to [email protected] 2 Pineywoods Post Critter Corner Recent Arrivals to the Pineywoods July and August, and biologists are asked to band a certain quota Sean Willis TPWD Wildlife Biologist (Lufkin) for their area. In the past 4 years, District 6 has banded approxi- Doves are one of the most common species of birds found in mately one thousand mourning doves. Bands returned by hunters Texas, and are sought after by more Texas hunters (400,000) than allow us to gain valuable information on migration habits, harvest any other species except deer (600,000). Doves are also one of rates and longevity of the birds.
    [Show full text]
  • Common Dove and Pigeon Species in the United States
    U.S. Fish & Wildlife Service COMMON DOVE AND PIGEON SPECIES IN THE UNITED STATES CommonMourningC OMMONDoveC DoveOMMON DOVE and DOVE AND ANDPigeon PIGEON PIGEON SPECIES SPECIESSpecies IN THE IN UNITED THE in UNITED STATEStheRange: STATES United States COMMON DOVE AND- Slightly PIGEON smaller SPECIES than white -wingedIN THE dove UNITED STATES MourningMourning Dove Dove Slightly smaller than white-winged dove Range: Range: Mourning Dove - Dark wing spots (A) Range in the Lower 48 States of the U.S. Mourning Dove - Slightly- Slightly smaller smaller than w thanhite -winged white -winged dove dove Range: - Dark-- SlightlyDarkLong, wing wingtapered smaller spots spots (A)tail than (A) that white ends-winged in a point dove (B) - Dark wing spots (A) -- DarkAfter wing breeding spots season (A) can be found in flocks, - Long, tapered tail that ends in a point (B) occasionally Long,- Long, tapered tapered with tail white tail that that-winged ends ends in doves ina pointa point and (B) Eurasian (B) - After- Long, breeding tapered season tail that can ends be found in a point in flocks (B) , collared doves, especially in areas with abundant occasionally- After breeding with white season-winged can doves be foundand Eurasian in flocks , -food After such breeding breeding as agricultural season season can canand be befoundopen found fields. in flocksin flocks, , collaredoccasionallyoccasionally doves, with especially with white-winged white in areas-winged with doves dovesabundant and and Eurasian occasionallycollared doves, with white especially-winged in doves areas and with Eurasian abundant foodEurasiancollared- Juvenile such asdoves, collared-doves, agriculturalmourning especially doves and inespecially open areascan havefields.
    [Show full text]
  • Ame Springa 2004 10/11/07 2:14 PM Page 1
    GameFall07:Game SpringA 2004 10/11/07 2:14 PM Page 1 A Free Publication of the Wyoming Game & Fish Department Autumn 200 7 HABITAT CONNECTION : HOME TO WILDLIFE Pronghorn antelope live on the prairie. Habitat is like home to wildlife. Just like people, wildlife needs a home. That home must have food, water, e k shelter and space. Do c o G you think fish and a k r a pronghorn antelope M Fish live in aquatic, or water habitats. live in the same habitat? If you said no, then are you correct. A fish, like a trout, lives in a habitat with cool, clean water where lots of bugs live for them to eat. They also need shelter like the banks of a river to provide e k a place to hide. A pronghorn antelope’s habitat is the prairie. c o Pronghorns are herbivores. Herbivores are animals that G k r eat only plants like grass, flowers and bushes. Grass and a M sagebrush provide pronghorn antelope with food on the prairie. They can find water There are only a certain number of animals that a habitat at watering can support. That is because a habitat only has a limited holes and amount of food, water, shelter and space. For example, prairie streams. different amounts of grass will grow depending on how much snow and rain we get in a year. If we have good rain and snow, then more grass will grow for the herbivores to eat. If we don’t get a lot of precipitation, which is rain and e k c o snow, then we might be in a drought, like Wyoming is now.
    [Show full text]
  • Commission Order 19: Dove
    Commission Order 19: Dove General Dove Open Areas do not include areas within municipal parks, municipal preserves, county parks, county preserves, airports, golf courses, or posted water treatment facilities (except as specifically opened in this Commission Order) or areas closed to hunting under A.R.S. Sections 17-303 and 17-304 or Commission Rules R12-4-321, R12-4-801, R12-4-802 and R12-4-803. Season Dates Notes Open Areas Legal Wildlife Sep 1 - Sep 15, 2020 (1,4,5,6,7,8,9,10,11, Open Areas Statewide (refer to the notes for some Any Mourning or White-winged dove 12,13,14,15,16,17) restrictions) Nov 20, 2020 - Jan 3, 2021 (2,4,5,6,7,8,9,10,11, Open Areas Statewide (refer to the notes for some Mourning dove 12,13,14,15,16,17) restrictions) Sep 1, 2020 - Aug 31, 2021 (3,4,5,6,7,8,9,10,11, Open Areas Statewide (refer to the notes for some Any Eurasian collared dove 12,13,14,15,16,17) restrictions) SHOOTING HOURS: One-half hour before sunrise until sunset. Youth-Only Dove Open Areas do not include areas within municipal parks, municipal preserves, county parks, county preserves, airports, golf courses, or posted water treatment facilities (except as specifically opened in this Commission Order) or areas closed to hunting under A.R.S. Sections 17-303 and 17-304 or Commission Rules R12-4-321, R12-4-801, R12-4-802 and R12-4-803. Season Dates Notes Open Areas Legal Wildlife Sep 5 - Sep 6, 2020 (1,3,5) Robbins Butte Wildlife Area Mourning dove, White-winged dove, and Eurasian collared dove SHOOTING HOURS: One-half hour before sunrise until sunset.
    [Show full text]
  • Mourning Dove and Mixed Blood: Cultural and Historical Pressures on Aesthetic Choice and Authorial Identity Author(S): Margaret A
    Mourning Dove and Mixed Blood: Cultural and Historical Pressures on Aesthetic Choice and Authorial Identity Author(s): Margaret A. Lukens Source: American Indian Quarterly, Vol. 21, No. 3 (Summer, 1997), pp. 409-422 Published by: University of Nebraska Press Stable URL: http://www.jstor.org/stable/1185515 Accessed: 13-01-2016 22:45 UTC Your use of the JSTOR archive indicates your acceptance of the Terms & Conditions of Use, available at http://www.jstor.org/page/ info/about/policies/terms.jsp JSTOR is a not-for-profit service that helps scholars, researchers, and students discover, use, and build upon a wide range of content in a trusted digital archive. We use information technology and tools to increase productivity and facilitate new forms of scholarship. For more information about JSTOR, please contact [email protected]. University of Nebraska Press is collaborating with JSTOR to digitize, preserve and extend access to American Indian Quarterly. http://www.jstor.org This content downloaded from 76.77.170.59 on Wed, 13 Jan 2016 22:45:39 UTC All use subject to JSTOR Terms and Conditions MourningDove and Mixed Blood: Culturaland Historical Pressureson AestheticChoice and AuthorialIdentity MargaretA. Lukens Mourning Dove is the pen name of ChristineQuintasket, one of the foremothers of contemporaryNative American women novelists. Her only novel to reach publicationwas a western romanceentitled Cogewea,the Half-Blood:A Depiction of the GreatMontana Cattle Range, published in 1927, fifteen years after she began writing it. In Cogewea,Mourning Dove createdsome of the earliestheroic "half-blood"characters of Native Americanliterature, anticipating by fifty years the recuperativetheme of LeslieSilko's Ceremony(1977) and PaulaGunn Allen's Woman Who Owned the Shadows(1983).
    [Show full text]
  • Lhe MOURNING DOVE in IOWA: a WASTED RESOURCE
    Volume 17 January, 1958 Number 1 lHE MOURNING DOVE IN IOWA: A WASTED RESOURCE • * * * * * * * * -· ( B y Ra y Beckman NEGLIGENCE TOPS ( ' h lct, Dhi&ion of li'l,h a n d Gam e BOATING FATALITIES Mourning Doves have been re­ garded as game birds from the Operator negligence is appar­ f earliest history of th1s nation. ~ntly the primary contribution to Early settlers recognized them as fatal boating accidents, according being close relatives of Old World to a recent study of 452 mishaps I pigeons. The writers of those f involving small pleasure boats by A times speak of the bird familiarly, the Outboard Boating Club of \ especially as a game b1rd that re­ America. lieved the hardships of pioneer The study, representing the .first life Iowa law recognized the published data on fatal accidents Mourning Dove as a game bird. involving small pleasure boats, Section 109.41 lists: "The Colum­ was made on the basis of news­ bidae: Mourning Doves and wild paper accounts between the penod rock doves only" as game birds. May 1, 1956, and December 31, The present legal status of the 1956. Additional information was Mournmg Dove identifies it as a gleaned from various state records migratory bird protected by both for the same period and from Jan­ state and federal law. An open uary 1, 1956, through April 30, season is provided for by federal 1956. During the period of the law. report, 614 boaters lost their Hves A Game p<'cies as a result of the 452 mishaps. In Iowa Code the dove is not Under the headmg of "Causes" carried on the list of birds for the report states in part: which a season is provided, al­ "I t is apparent that a majority though the bird is carried on the J lnt :;h~rman Photo of the fatalities occurrmg each The Mourning Dove is the nation's most important migratory game bird, sar U.
    [Show full text]
  • Alpha Codes for 2168 Bird Species (And 113 Non-Species Taxa) in Accordance with the 62Nd AOU Supplement (2021), Sorted Taxonomically
    Four-letter (English Name) and Six-letter (Scientific Name) Alpha Codes for 2168 Bird Species (and 113 Non-Species Taxa) in accordance with the 62nd AOU Supplement (2021), sorted taxonomically Prepared by Peter Pyle and David F. DeSante The Institute for Bird Populations www.birdpop.org ENGLISH NAME 4-LETTER CODE SCIENTIFIC NAME 6-LETTER CODE Highland Tinamou HITI Nothocercus bonapartei NOTBON Great Tinamou GRTI Tinamus major TINMAJ Little Tinamou LITI Crypturellus soui CRYSOU Thicket Tinamou THTI Crypturellus cinnamomeus CRYCIN Slaty-breasted Tinamou SBTI Crypturellus boucardi CRYBOU Choco Tinamou CHTI Crypturellus kerriae CRYKER White-faced Whistling-Duck WFWD Dendrocygna viduata DENVID Black-bellied Whistling-Duck BBWD Dendrocygna autumnalis DENAUT West Indian Whistling-Duck WIWD Dendrocygna arborea DENARB Fulvous Whistling-Duck FUWD Dendrocygna bicolor DENBIC Emperor Goose EMGO Anser canagicus ANSCAN Snow Goose SNGO Anser caerulescens ANSCAE + Lesser Snow Goose White-morph LSGW Anser caerulescens caerulescens ANSCCA + Lesser Snow Goose Intermediate-morph LSGI Anser caerulescens caerulescens ANSCCA + Lesser Snow Goose Blue-morph LSGB Anser caerulescens caerulescens ANSCCA + Greater Snow Goose White-morph GSGW Anser caerulescens atlantica ANSCAT + Greater Snow Goose Intermediate-morph GSGI Anser caerulescens atlantica ANSCAT + Greater Snow Goose Blue-morph GSGB Anser caerulescens atlantica ANSCAT + Snow X Ross's Goose Hybrid SRGH Anser caerulescens x rossii ANSCAR + Snow/Ross's Goose SRGO Anser caerulescens/rossii ANSCRO Ross's Goose
    [Show full text]
  • Ebook Download Decorative Canvasback Pair Pdf Free Download
    DECORATIVE CANVASBACK PAIR PDF, EPUB, EBOOK Jamie Welsh | 48 pages | 10 Jan 2007 | Stackpole Magazines | 9781881982425 | English | United States Decorative Canvasback Pair PDF Book Weiler Framed and Print "John Dilley. The buyer may request shipment at the buyer's expense to an FFL dealer to resell a gun on the buyer's behalf. Zachmann Mallard Drake Duck Decoy,. Message: characters remaining. It has tacks eyes the carver is unknown circa Shourds Bluebill Drake Duck Decoy,. Virginia buyers are subject to Virginia sales tax at the rate 5. Clair Bluebill Duck Decoys. Very unique. Black duck by an unknown Delaware River maker, ca. Unknown Maker Teal Hen. Sign In with one of your Social Accounts. January 23rd, Colorado Springs, CO. I discussed custom carving knives and some basic cuts in the Winter and Spring issues of Wildfowl Carving Magazine. We are adding your Comments. E5 Pennsylvania Susquehanna Rive Mallard Hen in original paint, very unusually form the body is laminated in tree layers of wood , good condition all original A Easter Shore Maryland full size white Swan by A. Merganser Pair. Sean Sutton Mourning Dove. Report Inappropriate Comment Are you sure you would like to report this comment? Small tight check in the neck and a small check in her bottom side. Pocket bluebill pair by Warren Meiler Hamilton, Ontario. Branded WRG on the bottom, turned head, excellent original paint. Shourds Miniature Decorative Mergansers,. Paint is a second coat of working paint, also done by McGaw. Lot : Paul Foytack Jr. Art is the great grandson of the well know early decoy maker, Capt.
    [Show full text]
  • National Strategic Harvest Management Plan 2 Mourning Dove National Strategic Harvest Management Plan INTRODUCTION
    U.S. Fish & Wildlife Service Mourning Dove National Strategic Harvest Management Plan 2 Mourning Dove National Strategic Harvest Management Plan INTRODUCTION This document provides a long- to make harvest management U.S. Fish and Wildlife Service range vision for improving mourning decisions; (2) population survey (FWS) notified the dove technical dove management through the results indicating declines; and, (3) committees in the CMU and the development of predictive harvest uncertainty regarding the cause of Eastern Management Unit (EMU) strategies. The purposes of this population declines. Some managers that if downward population trends plan are to: (1) promote the concept believe that hunting opportunity continued, harvest framework of coordinated management of should be commensurate with reductions would be implemented. mourning doves to insure uniformity population status while others Furthermore, they asked that of regulatory action and equitable believe that a restriction on hunting harvest management strategies be conservation across the species opportunity is unnecessary when developed that included decision range in the 3 Mourning Dove harvest is not known to be the criteria that explicitly state when Management Units; (2) acknowledge causative factor of a decline. regulatory changes will be made the need to recognize demographic and what the changes would be, differences among management The inability to correlate mourning and an estimate of the effect of units; and, (3) acknowledge that dove hunting regulations with their the regulatory options. In 1999, a the current harvest management impact on demographic parameters workshop was held in the CMU to system, and the knowledge base has not been considered a problem attempt to improve upon the harvest supporting it, needs improvement.
    [Show full text]
  • Mourning Dove Population Status, 2016 Mourning Dove Population Status, 2016
    U.S. Fish & Wildlife Service Mourning Dove Population Status, 2016 Mourning Dove Population Status, 2016 U.S. Fish and Wildlife Service Division of Migratory Bird Management Population and Habitat Assessment Branch 11510 American Holly Drive Laurel, MD 20708-4002 August 2016 Cover photograph: Mourning Doves by Theresa Twilley Wiltrout © Suggested citation: Seamans, M. E. 2016. Mourning dove population status, 2016. U.S. Department of the Interior, Fish and Wildlife Service, Division of Migratory Bird Management, Washington, D.C. All Division of Migratory Bird Management reports are available on our web site at: https://www.fws.gov/birds/surveys-and-data/reports-and-publications.php MOURNING DOVE POPULATION STATUS, 2016 MARK E. SEAMANS, U.S. Fish and Wildlife Service, Division of Migratory Bird Management, 755 Parfet Street Suite 235, Lakewood, CO 80215 Abstract: This report summarizes information collected annually in the U.S. on survival, recruitment, abundance and harvest of mourning doves. We report on trends in the number of doves heard and seen per route from the all- bird Breeding Bird Survey (BBS), and provide absolute abundance estimates based on band recovery and harvest data. Harvest and hunter participation are estimated from the Migratory Bird Harvest Information Program (HIP). BBS data suggested that the abundance of mourning doves over the last 50 years increased in the Eastern Management Unit (EMU) and decreased in the Central (CMU) and Western (WMU) Management Units. Estimates of absolute abundance are available only since 2003 and indicate that there were about 266 million doves in the U.S. as of 1 September 2015. Abundance varied among management units in 2015: EMU 63,286,288 (SE=3,290,229); CMU 165,991,834 (SE=9,523,964); and WMU 37,043,828 (SE=2,510,384).
    [Show full text]