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URL of this file: http://www.racerocks.com/racerock/education/ethology/census.htm

Other Ethology and Population Exercises:
http://www.racerocks.com/racerock/education/curricula/projects/ethology2.htm

http://www.racerocks.com/racerock/education/curricula/projects/populationstudy.htm
1. Image of Island Segments.
Click on for enlarged version.
Segments for viewing
census graph Connect to the File with August 15, 2007 Data
2. Checklist of Mammals:
Phoca vitulina (Harbour seal)
Eumetopias jubatus (Northern sea lion)
Zalophus californianus (California sea lion)
Callorhinus ursinus (Alaska Fur Seal)
Mirounga angustirostris (Northern Elephant Seal)
Orcinus orca (Killer whale)
Eschristius robusta (Gray whale)
Megaptera novaeangliae (Humpback whale)
Phocoenoides dalli (Dalls porpoise)
Phocoena phocoena (Harbour porpoises)
Lagenorhynchus obliquidens (Pacific White-sided Dolphin)
Lutra canadensis (River Otter)
3. Checklist of Birds:

THE FOLLOWING BIRDS HAVE BEEN SIGHTED AT RACE ROCKS THE LINKS GO TO THE TAXONOMY FILES FOR OTHER IMAGES AND VIDEO IF AVAILABLE.

Order Anseriformes

Branta bernicla Black Brant Goose
Branta canadensis Canada Goose
Histrionicus histrionicus Harlequin duck
Anser albifrons Greater white fronted Goose

Order Charadriiformes

Haematopus bachmani Black oystercatcher
Larus glaucescens :Glaucous-winged gull
Larus heermanni: Heermann's Gull
Larus hyperbolus :Glaucous gull
Larus canis :Mew gull
Larus philadelphia :Bonapartes gull
Larus thayeri :Thayer's gull
Cepphus columba :Pigeon Guillemot
Arenaria melanocephala :Black turnstone
Arenaria interpres :Ruddy turnstone
Aphriza virgata :Surfbird
Uria aalge :Common Murre
Cerorhinca monocerata :Rhinocerous Auklet
Numenius phaeopus :Whimbrel
Limnodromus griseus :Short-billed Dowitcher
Charadrius vociferus :Kildeer
Phalaropus lobatus: Red-necked Phalarope
Calidris alpina: Dunlin

Order Ciconiformes

Ardea herodia:Great Blue Heron
Cathartes aura :Turkey Vulture

Order Falconiformes

Haliacetus leucocepfalus :Bald eagle
Falco peregrinus :Peregrine Falcon

Order Strigiformes

Bubo virginianus :Great Horned Owl
Bubo scandiacus :Snowy Owl

Order Passeriformes

Corvus caurinus :North Western Crow
Corvus corax :Common Raven
Hirundo rustica :Barn Swallow
Melospiza melodia :Song Sparrow
Passer domesticus :House Sparrow
Plectrophenax nivalis :Snow Bunting
Eremophila alpestris :Horned Lark
Passerculus sandwichensis :Savannah Sparrow
Sturnus vulgaris:European Starling
Calcarius lapponicus: Lapland Longspur

Order Pelecaniformes

Phalacrocorax penicilatu :Brandt's Cormorant
Phalacrocorax pelagicus :Pelagic Cormorant
Phalacrocorax auritas :Double Crested Cormorant
Pelecanus occidentalis:Brown Pelican

Order Podicipediformes

Aechmophorus occidentalis Western Grebe

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