COASST Species List

This table includes all species found by COASST since the program started in 1999, including total number of birds found of each species and the percent of the overall total represented by each species.

# of Species: 121

Species Count Percent
Common Murre 4790 25.09
Northern Fulmar 4202 22.01
Large Immature Gull 1819 9.53
Unknown 1689 8.85
Rhinoceros Auklet 767 4.02
Glaucous-Winged Gull 602 3.15
Brandt's Cormorant 526 2.76
Western Grebe 520 2.72
Western Gull 463 2.43
Cassin's Auklet 409 2.14
Pelagic Cormorant 322 1.69
Sooty Shearwater 276 1.45
Red Phalarope 222 1.16
White-Winged Scoter 165 0.86
Surf Scoter 159 0.83
Short-tailed Shearwater 157 0.82
California Gull 156 0.82
Black-Legged Kittiwake 137 0.72
Pigeon Guillemot 123 0.64
Fork-tailed Storm-Petrel 105 0.55
Double-Crested Cormorant 102 0.53
Black-Footed Albatross 92 0.48
Common Loon 88 0.46
Brown Pelican 76 0.40
Pacific Loon 76 0.40
Horned Puffin 67 0.35
Caspian Tern 65 0.34
American Crow 59 0.31
Tufted Puffin 49 0.26
Heermann's Gull 48 0.25
Marbled Murrelet 40 0.21
Ancient Murrelet 37 0.19
Northern Pintail 34 0.18
Mallard 32 0.17
Leach's Storm-Petrel 31 0.16
Canada Goose (canadensis) 29 0.15
Red-Throated Loon 28 0.15
Mew Gull 27 0.14
Herring Gull 26 0.14
Green-winged Teal 26 0.14
Bufflehead 24 0.13
Greater Scaup 21 0.11
Rock Dove 19 0.10
Canada Goose (minima) 17 0.09
American Coot 17 0.09
Red-necked Grebe 16 0.08
Varied Thrush 16 0.08
Bald Eagle 15 0.08
Parakeet Auklet 14 0.07
Clark's Grebe 13 0.07
Thick-billed Murre 13 0.07
Great Blue Heron 13 0.07
Ring-billed Gull 11 0.06
Bonaparte's Gull 11 0.06
Snow Goose 11 0.06
Greater White-fronted Goose 10 0.05
Horned Grebe 9 0.05
Dunlin 8 0.04
Pink-footed Shearwater 8 0.04
Glaucous Gull 8 0.04
Sanderling 7 0.04
Black Scoter 7 0.04
Whimbrel 7 0.04
Brant Goose 7 0.04
American Wigeon 6 0.03
Western Sandpiper 6 0.03
Sabine's Gull 6 0.03
Red-breasted Merganser 5 0.03
Crested Auklet 5 0.03
Canada Goose (aleutian) 5 0.03
Ring-necked Pheasant 5 0.03
Northwestern Crow 4 0.02
Spotted Owl 4 0.02
Belted Kingfisher 4 0.02
Chicken 4 0.02
American Robin 4 0.02
Mottled Petrel 4 0.02
Northern Shoveler 4 0.02
Buller's Shearwater 4 0.02
Red-legged Kittiwake 3 0.02
Red-faced Cormorant 3 0.02
Black Oystercatcher 3 0.02
Peregrine Falcon 3 0.02
Common Merganser 3 0.02
Black-bellied Plover 3 0.02
Wilson's Warbler 3 0.02
Band-tailed Pigeon 3 0.02
Surfbird 2 0.01
Common Goldeneye 2 0.01
Marbled Godwit 2 0.01
Red-necked Phalarope 2 0.01
Common Raven 2 0.01
Barn Owl 2 0.01
Trumpeter Swan 2 0.01
Eared Grebe 2 0.01
Northern Saw-whet Owl 2 0.01
Pomarine Jaeger 2 0.01
Turkey Vulture 2 0.01
Franklin's Gull 2 0.01
Emperor Goose 2 0.01
Short-eared Owl 2 0.01
European Starling 2 0.01
Arctic Tern 1 0.01
Least Sandpiper 1 0.01
Yellow-billed Loon 1 0.01
Least Auklet 1 0.01
Barred Owl 1 0.01
Great Egret 1 0.01
Sharp-shinned Hawk 1 0.01
Laysan Albatross 1 0.01
Long-tailed Duck 1 0.01
Golden-crowned Kinglet 1 0.01
Spectacled Eider 1 0.01
Sandhill Crane 1 0.01
Lesser Scaup 1 0.01
Gadwall 1 0.01
Parasitic Jaeger 1 0.01
Eurasian Widgeon 1 0.01
Western Screech-Owl 1 0.01
Winter Wren 1 0.01
Red-breasted Sapsucker 1 0.01
South Polar Skua 1 0.01
Great Horned Owl 1 0.01
TOTAL 19088