Bald Eagle Station

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Bald Eagle Station Bald Eagles have a wingspan of 7-9 feet. How big is your wingspan? Measure from fingertip to fingertip to find out. How do you compare? Average Wingspans American Robin 1’ 3” Killdeer 2’ Wood Duck 2’ 4” Broad-winged Hawk 2’ 9” American Crow 3’ 4” Peregrine Falcon 3’ 5” Red-tailed Hawk 4’ Great-horned Owl 4’ 7” Osprey 4’ 8” Great Blue Heron 5’ 10” Turkey Vulture 6’ Bald Eagle 7’ 6” Great Blue Heron Station Great Blue Herons can stand on one foot for hours while sleeping. How long can you stand on one foot? Close your eyes and stand on one foot while someone keeps the time. Don’t change feet! Great Horned Owl Station Great Horned Owls can start for hours without blinking. How long can you go without blinking? Stare like a Great Horned Owl while someone keeps track of how long you can go without blinking. Ruby-throated Hummingbird Station Ruby-throated Hummingbirds can flap their wings 700 times in 10 seconds. How many times can you flap your wings in 10 seconds? While someone keeps track of time, count how many times you can flap your arms up and down. Peregrine Falcon Station A Peregrine Falcon can fly up to 200 miles per hour. How fast can you move? Have someone record how fast you can run this 20-yard distance. Use the conversion chart to determine your speed in miles per hour. 20-Yard Dash Conversion Chart Finish time (sec) Miles/hour Finish time (sec) Miles/hour 3.0 13.6 6.0 6.8 3.1 13.2 6.1 6.7 3.2 12.8 6.2 6.6 3.3 12.4 6.3 6.5 3.4 12.0 6.4 6.4 3.5 11.7 6.5 6.3 3.6 11.4 6.6 6.2 3.7 11.1 6.7 6.1 3.8 10.8 6.8 6.0 3.9 10.5 6.9 5.9 4.0 10.2 7.0 5.8 4.1 10.0 7.1 5.8 4.2 9.7 7.2 5.7 4.3 9.5 7.3 5.6 4.4 9.3 7.4 5.5 4.5 9.2 7.5 5.5 4.6 8.9 7.6 5.4 4.7 8.7 7.7 5.3 4.8 8.5 7.8 5.2 4.9 8.3 7.9 5.2 5.0 8.2 8.0 5.1 5.1 8.0 8.1 5.1 5.2 7.9 8.2 5.0 5.3 7.7 8.3 4.9 5.4 7.6 8.4 4.8 5.5 7.4 8.5 4.8 5.6 7.3 8.6 4.8 5.7 7.2 8.7 4.7 5.8 7.1 8.8 4.6 5.9 6.9 8.9 4.6 .

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Bald Eagle Haliaetus Leucocephalus
Appendix A: Birds Bald Eagle Haliaetus leucocephalus Federal Listing N/A State Listing T Global Rank G4 State Rank S2 Regional Status Photo by Jason Lambert Justification (Reason for Concern in NH) Bald Eagle populations in the conterminous United States entered a severe population decline in the 1950s, largely a result of reproductive failure induced by biomagnification of the insecticide DDT (Buehler 2000). Some regional breeding populations, especially in eastern and southern states, became locally extirpated. This serious decline led to the designation of the bald eagle as Endangered under the Endangered Species Act. Following the banning of DDT and intensive reintroduction efforts, Bald Eagle populations gradually rebounded, and the species was removed from the federal endangered list in 2007. In the Northeast, recovery has been particularly strong since 2000. However, most states still consider Bald Eagle a SGCN due to historic extirpations and historic sensitivity to certain environmental stressors, particularly contaminants. Distribution Bald eagles currently occur and breed in all Lower 48 states and in Alaska. Based upon data provided by state agencies, from a population low of 417 breeding pairs in 1963 the U.S. Fish and Wildlife Service estimated that there were an estimated 1,500 breeding pairs in the contiguous 48 states in 1982 and an estimated 5,300 pairs in the same area in 1997 (derived from data in Buehler 2000), and nearly 9800 breeding pairs in the Lower 48 states in 2006. The USFWS estimated that there were 463 breeding pairs in the six New England states in 2006. The nationwide population has probably increased substantially since 2006, but more recently compiled information is not available from USFWS.
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Bald Eagle Haliaeetus Leucocephalus
Wyoming Species Account Bald Eagle Haliaeetus leucocephalus REGULATORY STATUS USFWS: Delisted; Migratory Bird USFS R2: Sensitive USFS R4: Sensitive Wyoming BLM: Sensitive State of Wyoming: Protected Bird CONSERVATION RANKS USFWS: Bird of Conservation Concern WGFD: NSS3 (Bb), Tier II WYNDD: G5, S4B/S5N Wyoming Contribution: LOW IUCN: Least Concern PIF Continental Concern Score: 9 STATUS AND RANK COMMENTS Bald Eagle (Haliaeetus leucocephalus) is provided international protection under the Federal Migratory Bird Treaty Act of 1918, as amended 1. In 1940, Bald Eagle was provided protection under the Bald and Golden Eagle Protection Act 2. In 1966, the southern subspecies was listed as federally endangered under the Endangered Species Preservation Act; the entire population in the contiguous United States was listed as endangered in 1978 under the 1973 Endangered Species Act (ESA). A significant increase in numbers of nesting pairs, productivity, and distribution allowed Bald Eagle to be reclassified from Endangered to Threatened in 1995 under the ESA 3. Bald Eagle was delisted in 2007, and numbers are considered to be stable to increasing across its range 4. The species has been assigned different state conservation ranks by the Wyoming Natural Diversity Database for the breeding season and nonbreeding season because the abundance of the species is different between seasons. NATURAL HISTORY Taxonomy: Bald Eagle is a member of the family Accipitridae, which includes kites, eagles, harriers, and hawks 5. There are two subspecies of Bald Eagle; H. l. alascanus is found north of 40 degrees latitude across North America, including Wyoming, while H. l. leucocephalus is found south of 40 degrees latitude in the Gulf coast states 6.
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Regional Specialties Western
REGIONAL SPECIALTIES WESTERN OSPREY 21 - 26” length SOUTHERN . FERRUGINOUS . Eagle sized; clean, white body. HAWK Black wrist marks. 20 - 26” length . Glides with kink (M) in long, narrow wings. MISSISSIPPI . Largest buteo; eagle-like. KITE . Pale below with dark leggings. 13 - 15” length . Mostly white tail; 3 color morphs. Long, pointed wings; slim body. Light body; dark wings; narrow, black tail. Not to scale. Buoyant, acrobatic flight. NORTHERN HARRIER 16 - 20” length PRAIRIE FALCON 14 - 18” length . Long, narrow wings and tail; sharp dihedral. Size of Peregrine; much paler plumage. Brown above, streaked brown below – female. Narrow moustache; spotted breast; long tail. Gray above, pale below with black wing tips – male. Dark armpits and partial wing linings. WING PROFILE IMMATURE BALD EAGLE BALD EAGLE GOLDEN EAGLE . Immature birds vary GOLDEN EAGLE greatly in the amount 27 to 35” length of white spotting on body and wings. White showing on wing linings is surely a Bald Eagle. BALD EAGLE . Like large buteo, curvy wings. Head protrudes much less than tail. Slight dihedral to wing profile. NOTE: Some hawks soar and glide with their wings raised above the horizontal, called a dihedral. 27 to 35” length . Head and tail length similar. Long, flat wings. Straight leading edge to wings. 24 to 28” length This guide developed by Paul Carrier is the property of the Hawk Migration Association of North America (HMANA). HMANA is TURKey VUltUre a membership-based, non-profit organization committed to the . Dark wing linings with light flight feathers. conservation of raptors through the scientific study, enjoyment, and . Small head; long tail; sharp dihedral.
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Predation by a Golden Eagle on a Brown Bear Cub
SHORT COMMUNICATION N Sørensen et al. Predation by a golden eagle on a brown bear cub Ole J. Sørensen1,4, Mogens Totsa˚ s2, Tore eagles attending bears. Murie hypothesized that Solstad2, and Robin Rigg3 eagles attending bears were waiting for opportunities to capture prey trying to escape from the bears. He 1North-Trondelag University College, Department of also observed eagles swooping at and diving low over Natural Resource Sciences and Information Technology, grizzlies and other carnivores, but interpreted this Box 2501, N-7729 Steinkjer, Norway behavior as play or curiosity, rather than predation. 2 Norwegian Nature Inspectorate, N-7485 Trondheim, C. McIntyre (US National Park Service, Fair- Norway 3 banks, Alaska, USA, personal communication, 2008), Slovak Wildlife Society, PO Box 72, 033 01 Liptovsky a golden eagle researcher in Denali National Park for Hradok, Slovakia many years, has never seen an eagle attack a bear, although she has often observed eagles following Abstract: During spring 2004 an adult female brown bears in open terrain, perhaps positioning themselves bear (Ursus arctos) and her 3 cubs-of-the-year were to take prey escaping from the bear as suggested by observed outside their den on a south-facing low- Murie. Commensalistic hunting, as well as curious or alpine slope in central Norway. They remained near play behavior by eagles in the vicinity of bears, could the den for 8–10 days and were, except for one day, be misinterpreted as eagles hunting, attacking, or observed daily by Totsa˚s and other wardens of the inspecting bears as possible prey. Predation by eagles Norwegian Nature Inspectorate.
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Anthony, R.G., J.A. Estes, M. A. Ricca, A. K. Miles, and E. D. Forsman
Ecology, 89(10), 2008, pp. 2725–2735 Ó 2008 by the Ecological Society of America BALD EAGLES AND SEA OTTERS IN THE ALEUTIAN ARCHIPELAGO: INDIRECT EFFECTS OF TROPHIC CASCADES 1,5 2 3 3 4 ROBERT G. ANTHONY, JAMES A. ESTES, MARK A. RICCA, A. KEITH MILES, AND ERIC D. FORSMAN 1U.S. Geological Survey, Oregon Cooperative Fish and Wildlife Research Unit, Department of Fisheries and Wildlife, Oregon State University, Corvallis, Oregon 97331 USA 2U.S. Geological Survey, Western Ecological Science Center, University of California, Santa Cruz, California 95060 USA 3U.S. Geological Survey, Western Ecological Science Center, University of California, Davis, California 95616 USA 4U.S. Forest Service, Pacific Northwest Research Station, 3200 Jefferson Way, Corvallis, Oregon 97331 USA Abstract. Because sea otters (Enhydra lutris) exert a wide array of direct and indirect effects on coastal marine ecosystems throughout their geographic range, we investigated the potential influence of sea otters on the ecology of Bald Eagles (Haliaeetus leucocephalus) in the Aleutian Islands, Alaska, USA. We studied the diets, productivity, and density of breeding Bald Eagles on four islands during 1993–1994 and 2000–2002, when sea otters were abundant and scarce, respectively. Bald Eagles depend on nearshore marine communities for most of their prey in this ecosystem, so we predicted that the recent decline in otter populations would have an indirect negative effect on diets and demography of Bald Eagles. Contrary to our predictions, we found no effects on density of breeding pairs on four islands from 1993–1994 to 2000–2002. In contrast, diets and diet diversity of Bald Eagles changed considerably between the two time periods, likely reflecting a change in prey availability resulting from the increase and subsequent decline in sea otter populations.
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Bald Eagle Nest in a Manitoba Heron 30L0ny Eagle/Coyote
The Ring-billed Gull colony were several weeks old while heron appeared to contain complete chicks were just beginning to hatch. dutches, although no young had yet The observation is of interest and latched. Their nests contain “usually worthy of future field observation to three, sometimes two, very rarely determine if the two species will co¬ four” eggs.1 Sixty-two of these Ring- exist in such close proximity. The pilled Gull nests contained four eggs, abandonment of a heron colony at eight had five eggs and one had six Beaver Lake (54° 43’ N, 111° 53’ W) aggs. The remaining gull nests had between 1970 and 1972 supposedly he usual three. Numbers of four- due to the establishment of an eagle and five-egg clutches appear nest in the colony was reported by significant because they infer a larger Vermeer (Can. Field Nat. 87:427- than normal clutch size rather than 432). the pairing of two females. Other Ring-billed Gull colonies surveyed in 1979 contained abnor¬ mal clutch sizes, but none ap¬ EAGLE/COYOTE proached the proportion INCIDENT documented on the Bachelor’s Island polony. SIG JORDHEIM, White Bear, Sask¬ HARRISON, COLIN. 1978. A field guide atchewan, SOL 3L0. to the nests, eggs and nestlings of North American birds. Collins, New On 25 November 1979, I was on a York. 416 pp. hill overlooking Lake Diefenbaker. At this late date there were still several hundred Canada Geese and Mallard ducks on about an acre of open BALD EAGLE NEST IN A water toward the south shore of the MANITOBA HERON lake.
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Raptor Identification
Raptor Identification JCOS Raptor Protection Number of volunteers: 32 Total volunteer observation hours: 708 Number of nests monitored in 2018: 56 Species monitored include: Golden eagle, prairie falcon, peregrine falcon, great horned owl, Swainson’s hawk, red-tailed hawk, cooper’s hawk What is a raptor? Usually people answer this question with: A bird that eats other animals. What is a raptor? And here is another common answer… What is a raptor? Some birds look a lot like raptors, but are not. What is a raptor? Some birds act a lot like raptors, but are not. Audubon Guide to North American Birds What is a raptor? A raptor is a diurnal bird that eats other animals using specialized tools. What is a raptor? Raptors are a “gateway” species. Easy to see Engaging to watch Offer insight into the health of an ecosystem Nature Hates Competition: Habitat? Behavior? Flight pattern? Wing pattern? Raptor ID challenges: Color morphs Juvenile vs. adult plumage Sexual dimorphism Perching raptors offer scant ID info compared to raptors in flight Main Raptor Groups: Eagles Accipiters Buteos Falcons Raptors: Eagles Raptors: Eagles White head Bald Eagle Massive, yellow bill White tail Yellow talons Raptors: Eagles No white head Massive bill (but Juvenile Bald Eagle not yellow) White feathers scattered through the breast and wings Yellow talons Raptors: Eagles Golden Eagle Golden head Massive bill Some white in tail and wings in juvenile. Raptors: Accipiters https://www.youtube.com/watch?v=Td8bmr-6AHs https://www.youtube.com/watch?v=2CFckjfP-1E Dark gray
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IBN February 2005
International Bear News Quarterly Newsletter of the International Association for Bear Research and Management (IBA) and the IUCN/SSC Bear Specialist Group February 2005 vol. 14, no. 1 © Andrés E. Bracho S. Vieu at Parke Tropikal (see page 34). IBA website: www.bearbiology.org/www.bearbiology.com Table of Contents Council News 3 From the President 5 Research & Conservation Grants Program — Editor’s Thank Yous — Newsletter Online 6 Part II: Ways to Donate Money to Bears 8 In Memory: Ralph Flowers 1928-2004 Bear Specialist Group 9 Sri Lanka Sloth Bear Expert Team 2004 Update 11 Bear Specialist Group Coordinating Committee Eurasia 12 Workshop on the Recent Black Bear-human Conflicts in Japan 13 Tibetan Black Bear on Verge of Extinction in China 14 Do Giant Panda Nature Reserves Serve the Needs of Asiatic Black Bears? 16 Bear Trees in North Taiga Landscapes of the Ilich Basin 18 Fatal Bear Attacks on Humans in Romania Website: Slovakia Bear Facts, Myths & Media 19 Bulgaria Bear Management 21 Greece: Monitoring Project Update on the Egnatia Highway Construction 22 Monitoring the Brown Bear in the Italian Alps Through Non-invasive Genetic Sampling Last Female Pyrenean Brown Bear Shot Americas 23 Sierra de Portuguesa Andean Bear Pilot Study 24 The Life History of an Extraordinary Female Barren-ground Grizzly Bear 25 Barren-ground Grizzly Bear Shot in Yellowknife, NWT 26 Central Canada: Ontario Polar/Black Bear Projects, Manitoba Black Bear-human Conflicts Southwest USA: Revising Management Strategies in Arizona, New Mexico Tidbits 27 American
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Lead Poisoning of Bald
Lead Poisoning of Bald (Haliaeetus leucocephalus) and Golden (Aquila chrysaetos) Eagles in the US Inland Pacific Northwest Region—An 18-year Retrospective Study: 1991–2008 Author(s): Erik Stauber, DVM, PhD, Nickol Finch, DVM, Patricia A. Talcott, MS, DVM, PhD, Dipl ABVT, and John M. Gay, DVM, PhD, Dipl ACVPM Source: Journal of Avian Medicine and Surgery, 24(4):279-287. 2010. Published By: Association of Avian Veterinarians DOI: 10.1647/2009-006.1 URL: http://www.bioone.org/doi/full/10.1647/2009-006.1 BioOne (www.bioone.org) is an electronic aggregator of bioscience research content, and the online home to over 160 journals and books published by not-for-profit societies, associations, museums, institutions, and presses. Your use of this PDF, the BioOne Web site, and all posted and associated content indicates your acceptance of BioOne’s Terms of Use, available at www.bioone.org/page/terms_of_use. Usage of BioOne content is strictly limited to personal, educational, and non-commercial use. Commercial inquiries or rights and permissions requests should be directed to the individual publisher as copyright holder. BioOne sees sustainable scholarly publishing as an inherently collaborative enterprise connecting authors, nonprofit publishers, academic institutions, research libraries, and research funders in the common goal of maximizing access to critical research. Journal of Avian Medicine and Surgery 24(4):279–287, 2010 ’ 2010 by the Association of Avian Veterinarians Lead Poisoning of Bald (Haliaeetus leucocephalus) and Golden (Aquila chrysaetos) Eagles in the US Inland Pacific Northwest Region—An 18-year Retrospective Study: 1991–2008 Erik Stauber, DVM, PhD, Nickol Finch, DVM, Patricia A.
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Bald Eagles Rear Red&Hyphen;Tailed Hawks
126 LETTERS VOL. 27, NO. 2 We surmisedthat the passerincnestling was a kingbird (Tyrannidae), sparrow(Emberizidae), or a Horned Lark (Eremophilaalpestris), presumably brought to the nestby one of the adult hawksas a prey item. The nestlingwas not featheredenough to have flown to the nest;there were no other nest structureson the power tower, and no nearby trees. This nestwas occupiedby a six-year-oldcolor-banded male for at leastthree yearsand an unbandedfemale (J.K. Schmutzpers. comm.).An experiencedhunter may have easilycaptured the nestlingfrom a tree or groundnest. We hypothesizethat the nestling'ssmall size, or the lack of a struggle,may have inhibited the adult hawk from tightly graspingand engagingthe digital tendonlocking mechanism during captureand transport.Nonlethal predationappears to be the best explanation for our observation.Other nonlethal predation by raptors has been reported recently •n theliterature (P.R. Stefaneket al. 1992,J. RaptorR•s. 26:40-41), and we feelthat these events may occur more frequently than the literature suggests.We considerbrood parasitismunlikely, due to the disparity betweenthe age of the nestlinghawks and the passerinc. We wishto thankJ.K. Schmutzfor encouragingus to reportthis observation.--Daniel N. Gossett,Raptor Research and Technical AssistanceCenter, Department of Biology, BoiseState University, 1910 University Drive, Boise, ID 83725 U.S.A.; Jeffrey D. Smith, Department of Biology, University of Saskatchewan,Saskatoon, SK S7N 0W0 Canada. f RaptorRes. 27(2):126-127 ¸ 1993 The Raptor ResearchFoundation, Inc. BALD EAGLES REAR RED-TAILED HAWKS Recently,Stefanek et al. (1992, J. RaptorRes. 26:40-41) reportedan unusualincident of a nestlingRed-tailed hawk (Buteojamaicensis) and two nestlingBald Eagles(Haliaeetus leucocephalus) in an eagle'snest in Michigan.
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Field Guide to RAPTORS of the Northwest Territories 2 |
A Field Guide to RAPTORS of the Northwest Territories 2 | This identification guide includes all species of raptors known to be present in the Northwest Territories. © 2019 Government of the Northwest Territories Recommended citation: Environment and Natural Resources. 2019. A Field Guide to Raptors of the Northwest Territories. Environment and Natural Resources, Government of the Northwest Territories. Yellowknife, NT 39pp. Government of the Northwest Territories (GNWT) would like to acknowledge Gordon Court and Kim Poole for their contribution to this field guide. Funding for this booklet was provided by the GNWT. We would like to acknowledge all those who supported and donated their energy to this project. Maps were created for this project by GNWT ENR based on data from GBIF downloaded in December 2018. See back cover for GBIF resource. The raptor diagram was created for this project by S Carrière (GNWT), based on a photograph by B Turner, used with permission. All photos used with permission. COVER PHOTO: American Kestrel by Gordon Court | 3 Table of Contents 4 NWT Raptor Species Checklist ....................................................................................5 Raptors in the NWT ...........................................................................................................5 Where to Find Them..........................................................................................................5 How to Become a Better Birder ...................................................................................6
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Birds Accipitridae COMMON NAME SCIENTIFIC NAME Osprey Pandion
Birds Accipitridae COMMON NAME SCIENTIFIC NAME Osprey Pandion haliaetus Northern Harrier Hawk Circus cyaneus Bald Eagle Haliaeetus leucocephalus Sharp-shinned Hawk Accipiter striatus Cooper’s Hawk Accipiter cooperii Red-shoulder Hawk Buteo jamaicensis Broad-winged Hawk Buteo platypterus Red-tailed Hawk Buteo jamaicensis Alcedinidae COMMON NAME SCIENTIFIC NAME Belted Kingfisher Ceryle alcyon Anatidae COMMON NAME SCIENTIFIC NAME Tundra Swan Cygnus columbianus Snow Goose Chen caerulescens Canada Goose Branta canadensis Wood Duck Aix sponsa Muscovy Duck Cairina moschata Mallard Anas platyrhynchos American Black Duck Anas rubripes Gadwall Anas strepera Green-winged Teal Anas crecca American Wigeon Anas americana Northern Pintail Anas acuta Northern Shoveler Anas clypeata Blue-winged Teal Anas discors Canvasback Aythya valisineria Redhead Aythya americana Ring-necked Duck Aythya collaris Greater Scaup Aythya marila Lesser Scaup Aythya affinis Bufflehead Bucephala albeola Red-breasted Merganser Mergus serrator Hooded Merganser Lophodytes cucullatus Ruddy Duck Oxyura jamaicensis Anhingidae COMMON NAME SCIENTIFIC NAME Anhinga Anhinga anhinga Apodidae COMMON NAME SCIENTIFIC NAME Chimney Swift Chaetura pelagica Ardeidae COMMON NAME SCIENTIFIC NAME Black-crowned Night-Heron Nycticorax nycticorax Green Heron Butorides virescens Little Blue Heron Egretta caerulea Cattle Egret Bubulcus ibis Snowy Egret Egretta thula Great Egret Ardea alba Great Blue Heron Ardea herodias Bombycillidae COMMON NAME SCIENTIFIC NAME Cedar Waxwing Bombycilla cedrorum Caprimulgidae
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