bird data > Probability of observation by year

There are 6 plots, each one showing for 30 species the probability of observing one or more of a species by year from 1987-2023.

Probability of observation by year; Birds 1-30:

Rock Pigeon California Scrub-Jay Northern Mockingbird
House Sparrow Mourning Dove House Finch
Anna's Hummingbird Spotted Dove Acorn Woodpecker
American Crow Brewer's Blackbird Bushtit
European Starling Yellow-rumped Warbler White-crowned Sparrow
Band-tailed Pigeon American Goldfinch Ruby-crowned Kinglet
Cedar Waxwing Killdeer American Robin
Brown-headed Cowbird Red-shouldered Hawk Dark-eyed Junco
Pine Siskin Downy Woopecker Ash-throated Flycatcher
Yellow-chevroned Parakeet California Towhee Orange-crowned Warbler


Probability of observation by year; Birds 31-60:

Red-tailed Hawk White-throated Swift Townsend's Warbler
Snowy Egret Northern Flicker Lesser Goldfinch
Black-chinned Hummingbird Kestrel Western Tanager
Spotted Towhee Red-winged Blackbird Budgerigar
Mountain Chickadee Black-headed Grosbeak Gull, sp.
Cooper's Hawk Sharp-shinned Hawk Hummingbird (Selasphorus)
Western Meadowlark Yellow-headed Parrot American White Pelican
Black Phoebe American Pipit Common Raven
Hermit Thrush Warbling Vireo Turkey Vulture
Wilson's Warbler Yellow Warbler Western Wood-pewee


Probability of observation by year; Birds 61-90:

Red-whiskered Bulbul Gray Flycatcher Mallard
Nashville Warbler Ring-billed Gull Flycatcher, sp.
White-breasted Nuthatch House Wren Black-throated Gray Warbler
McGillivray's Warbler Allen's Hummingbird Solitary Vireo
Purple Finch Double-creasted Cormorant Hawk, sp.
Great Blue Heron Vaux's Swift Savannah Sparrow
Pacific-slope Flycatcher Phainopepla Common Snipe
Red-breasted Sapsucker Rufous Hummingbird Hooded Oriole
Hummingbird, sp. White-throated Sparrow Song Sparrow
Cattle Egret Violet-green Swallow Red-naped Sapsucker


Probability of observation by year; Birds 91-120:

Western Kingbird Hutton's Vireo Western Bluebird
Swallow, sp. Wrentit Red-crowned Parrot
Tree Swallow Warbler, sp. Horned Lark
Lincoln's Sparrow Hammond's Flycatcher Swainson's Thrush
Great Egret Bullock's Oriole Red-masked Parakeet
Say's Phoebe Nuttall's Woodpecker Hermit Warbler
Northern Rough-winged Swallow Canada Goose Green Heron
Shorewater bird, sp. Olive-sided Flycatcher Bewick's Wren
Common Yellowthroat Sapsucker, hybrid California Quail
Merlin Owl, sp. Cassin's Kingbird


Probability of observation by year; Birds 121-150:

Willow Flycatcher Woodpecker, sp. Wren, sp.
Sparrow, sp. White-tailed Kite Golden-crowned Sparrow
Falcon, sp. Swainson's Hawk Barn Swallow
Swift, sp. Common Peafowl Parakeet, sp.
Plumbeous Vireo Lark Sparrow Rock Wren
Kingbird, sp. Parrot, sp. Pigeon, sp.
Vireo, sp. Chipping Sparrow Red-lored Parakeet
Corvid, sp. Oak Titmouse Thrush, sp.
Belted Kingfisher Cormorant, sp. Duck, sp.
Sapsucker, sp. Black-and-white Warbler Costa's Hummingbird


Probability of observation by year; Birds 151-156:

European Goldfinch Peregrine Falcon Lilac-crowned Parrot
Yellow-bellied Sapsucker Mitred Parakeet Red-breasted Nuthatch