How Many Species Of Birds Have Been Seen on PAS Bird Walks?

At a recent bird walk Dave Matthis wondered this question out loud as he was counting birds seen on the walk. Well for the past seven or so years I have been keeping track of birds seen on bird walks as a custom quiz in my bird software. I have 66 lists that I have created over the years. I will able to compile this data and came up with an unoffical total.

300 Species

Following is a list of the birds seen in order of how many of the 66 lists a species appeared. Otherwords, most common to rarest:

House Finch	65	Mourning Dove	65
Anna’s Hummingbird	64	American Crow	63
Black Phoebe	63	Song Sparrow	62
European Starling	61	Red-tailed Hawk	60
Mallard	58	Bushtit	57
Cassin’s Kingbird	57	Lesser Goldfinch	57
California Towhee	54	Common Yellowthroat	54
Nuttall’s Woodpecker	54	American Coot	52
Common Raven	52	Double-crested Cormorant	51
House Wren	51	Pied-billed Grebe	51
Western Scrub-Jay	51	American Kestrel	50
Red-shouldered Hawk	50	Cooper’s Hawk	49
Great Blue Heron	49	Northern Mockingbird	49
Orange-crowned Warbler	49	Snowy Egret	49
Great Egret	48	Bewick’s Wren	47
Red-winged Blackbird	46	Say’s Phoebe	46
Spotted Towhee	45	Rock Pigeon	44
Turkey Vulture	44	Wrentit	44
House Sparrow	42	Yellow-rumped Warbler	41
Black-crowned Night-Heron	38	Northern Rough-winged Swallow	38
Ring-billed Gull	38	Ruddy Duck	38
Tree Swallow	37	Western Bluebird	37
Green Heron	36	White-crowned Sparrow	36
White-tailed Kite	36	Killdeer	35
Northern Flicker	35	Osprey	35
California Thrasher	34	Northern Shoveler	34
California Quail	32	Cliff Swallow	32
Western Gull	32	Brown-headed Cowbird	31
Belted Kingfisher	30	Gadwall	30
Northern Harrier	30	Savannah Sparrow	30
Yellow Warbler	29	Downy Woodpecker	28
Eurasian Collared-Dove	28	Hooded Oriole	28
Marsh Wren	28	Ruby-crowned Kinglet	28
Western Kingbird	28	Brewer’s Blackbird	27
California Gnatcatcher	27	Common Gallinule	27
Forster’s Tern	27	Sora	27
American Goldfinch	26	Eared Grebe	26
Great-tailed Grackle	26	Black-headed Grosbeak	25
Cinnamon Teal	25	Oak Titmouse	25
Pacific-slope Flycatcher	25	Spotted Sandpiper	25
Black-necked Stilt	24	American Wigeon	23
Western Meadowlark	23	White-throated Swift	23
Acorn Woodpecker	22	Blue-winged Teal	22
Least Sandpiper	22	Peregrine Falcon	22
Western Grebe	22	White-breasted Nuthatch	22
Ash-throated Flycatcher	21	Barn Swallow	21
California Gull	21	Phainopepla	21
Wilson’s Warbler	21	Green-winged Teal	20
Lark Sparrow	20	Violet-green Swallow	20
Willet	20	Black-chinned Hummingbird	19
Bufflehead	19	American Avocet	18
Blue-gray Gnatcatcher	18	Bullock’s Oriole	18
Caspian Tern	18	Costa’s Hummingbird	18
Western Sandpiper	18	Western Tanager	18
White-faced Ibis	18	American White Pelican	17
Black-bellied Plover	17	Greater Yellowlegs	17
Long-billed Curlew	17	Marbled Godwit	17
American Pipit	16	American Robin	16
Merlin	16	Northern Pintail	16
Warbling Vireo	16	Wood Duck	16
Brown Pelican	15	Chipping Sparrow	15
Lesser Scaup	15	Long-billed Dowitcher	15
Ring-necked Duck	15	Short-billed Dowitcher	15
Townsend’s Warbler	15	Virginia Rail	15
Western Wood-Pewee	15	Whimbrel	15
Cedar Waxwing	14	Dark-eyed Junco	14
Hutton’s Vireo	14	Sharp-shinned Hawk	14
Black-throated Gray Warbler	13	Greater Roadrunner	13
Mountain Chickadee	13	Rufous-crowned Sparrow	13
Semipalmated Plover	13	Allen’s Hummingbird	12
Bell’s Vireo	12	Clark’s Grebe	12
Loggerhead Shrike	12	Royal Tern	12
Yellow-breasted Chat	12	Blue Grosbeak	11
Clapper Rail	11	Elegant Tern	11
Least Bittern	11	Redhead	11
Canada Goose	10	Golden-crowned Sparrow	10
Great Horned Owl	10	Hermit Thrush	10
Lawrence’s Goldfinch	10	Little Blue Heron	10
Rufous Hummingbird	10	Bonaparte’s Gull	9
Lazuli Bunting	9	Red-breasted Merganser	9
Tricolored Blackbird	9	Barn Owl	8
Black Skimmer	8	Cassin’s Vireo	8
Cattle Egret	8	Dunlin	8
Greater White-fronted Goose	8	Sanderling	8
Vaux’s Swift	8	Least Tern	7
Lesser Yellowlegs	7	Purple Finch	7
Wilson’s Snipe	7	Band-tailed Pigeon	6
Brandt’s Cormorant	6	Brown Creeper	6
Heermann’s Gull	6	Herring Gull	6
Lincoln’s Sparrow	6	Nashville Warbler	6
Olive-sided Flycatcher	6	Red-necked Phalarope	6
Rock Wren	6	Snow Goose	6
Snowy Plover	6	Steller’s Jay	6
Swainson’s Thrush	6	Wild Turkey	6
Bald Eagle	5	Burrowing Owl	5
Canvasback	5	Ferruginous Hawk	5
Hairy Woodpecker	5	Horned Grebe	5
Horned Lark	5	Prairie Falcon	5
Red-breasted Sapsucker	5	Reddish Egret	5
Red-naped Sapsucker	5	Ross’s Goose	5
Summer Tanager	5	Yellow-crowned Night-Heron	5
Zone-tailed Hawk	5	American Bittern	4
Black-chinned Sparrow	4	Cactus Wren	4
Common Loon	4	Common Tern	4
Golden Eagle	4	Mountain Bluebird	4
Mountain Quail	4	Pine Siskin	4
Purple Martin	4	Pygmy Nuthatch	4
Red Knot	4	Red-crowned Parrot	4
Vermilion Flycatcher	4	Black Turnstone	3
Brant	3	Canyon Wren	3
Chestnut-sided Warbler	3	Common Merganser	3
Hermit Warbler	3	Pacific Golden-Plover	3
Plumbeous Vireo	3	Ruddy Turnstone	3
Black Tern	2	Black-tailed Gnatcatcher	2
Common Goldeneye	2	Common Ground-Dove	2
Eastern Phoebe	2	Fox Sparrow	2
Gambel’s Quail	2	Grasshopper Sparrow	2
Greater Scaup	2	Gull-billed Tern	2
Hooded Merganser	2	Hooded Warbler	2
Lewis’s Woodpecker	2	Parasitic Jaeger	2
Pomarine Jaeger	2	Red-breasted Nuthatch	2
Ring-necked Pheasant	2	Short-eared Owl	2
Solitary Sandpiper	2	Surf Scoter	2
Swainson’s Hawk	2	Tricolored Heron	2
Verdin	2	Vesper Sparrow	2
Willow Flycatcher	2	Wilson’s Phalarope	2
Abert’s Towhee	1	American Redstart	1
Baltimore Oriole	1	Black Scoter	1
Black-throated Sparrow	1	Black-vented Shearwater	1
Brewer’s Sparrow	1	Brown-crested Flycatcher	1
Cackling Goose	1	Cassin’s Auklet	1
Crissal Thrasher	1	Dusky-capped Flycatcher	1
Eurasian Wigeon	1	Gila Woodpecker	1
Glaucous Gull	1	Glaucous-winged Gull	1
Gray Flycatcher	1	Green-tailed Towhee	1
Hammond’s Flycatcher	1	Hepatic Tanager	1
Ladder-backed Woodpecker	1	Lapland Longspur	1
Long-eared Owl	1	MacGillivray’s Warbler	1
Mountain Plover	1	Mute Swan	1
Neotropic Cormorant	1	Northern Cardinal	1
Pacific Loon	1	Pelagic Cormorant	1
Red Phalarope	1	Red-eyed Vireo	1
Red-faced Warbler	1	Red-throated Loon	1
Ruff	1	Sage Sparrow	1
Sandhill Crane	1	Sooty Shearwater	1
Sprague’s Pipit	1	Stilt Sandpiper	1
Tropical Kingbird	1	Wandering Tattler	1
Western Screech-Owl	1	White-collared Seedeater	1
White-throated Sparrow	1	White-winged Scoter	1
Yellow-bellied Sapsucker	1	Yellow-headed Blackbird	1