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Bird Observations

Date Range:
Jan-Dec, 1900-2022

Rio Vista Natural Resource Park

Updated ~2 day(s) ago.

138 species (+42 other taxa) Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mallard/Mexican Duck
Gambel's Quail
Rock Pigeon
Eurasian Collared-Dove
White-winged Dove
Mourning Dove
pigeon/dove sp.
Greater Roadrunner
Lesser Nighthawk
Vaux's Swift
White-throated Swift
Black-chinned Hummingbird
Anna's Hummingbird
Costa's Hummingbird
Rufous Hummingbird
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Broad-tailed Hummingbird
Selasphorus sp.
Broad-billed Hummingbird
hummingbird sp.
Killdeer
Least Sandpiper
Wilson's Snipe
cormorant sp.
Great Blue Heron
White-faced Ibis
Turkey Vulture
Osprey
Northern Harrier
Sharp-shinned Hawk
Cooper's Hawk
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sharp-shinned/Cooper's Hawk
Accipiter sp.
Common Black Hawk
Harris's Hawk
Gray Hawk
Swainson's Hawk
Zone-tailed Hawk
Red-tailed Hawk
Buteo sp.
hawk sp.
Western Screech-Owl
Great Horned Owl
Red-naped Sapsucker
Yellow-bellied/Red-naped Sapsucker
Gila Woodpecker
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Ladder-backed Woodpecker
Northern Flicker
Gilded Flicker
Northern/Gilded Flicker
woodpecker sp.
American Kestrel
Merlin
Peregrine Falcon
Prairie Falcon
large falcon sp.
small falcon sp.
falcon sp.
diurnal raptor sp.
Olive-sided Flycatcher
Western Wood-Pewee
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hammond's Flycatcher
Gray Flycatcher
Dusky Flycatcher
Hammond's/Dusky Flycatcher
Pacific-slope Flycatcher
Pacific-slope/Cordilleran Flycatcher (Western Flycatcher)
Empidonax sp.
Black Phoebe
Say's Phoebe
Vermilion Flycatcher
Ash-throated Flycatcher
Brown-crested Flycatcher
Myiarchus sp.
Cassin's Kingbird
Western Kingbird
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Cassin's/Western Kingbird
yellow-bellied kingbird sp.
flycatcher sp. (Tyrannidae sp.)
Bell's Vireo
Gray Vireo
Hutton's Vireo
Cassin's Vireo
Plumbeous Vireo
Cassin's/Plumbeous Vireo
Warbling Vireo
vireo sp.
Loggerhead Shrike
Common Raven
raven sp.
Verdin
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Northern Rough-winged Swallow
Purple Martin
Tree Swallow
Violet-green Swallow
Tree/Violet-green Swallow
Barn Swallow
Cliff Swallow
swallow sp.
Ruby-crowned Kinglet
Blue-gray Gnatcatcher
Black-tailed Gnatcatcher
gnatcatcher sp.
Rock Wren
House Wren
Bewick's Wren
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Cactus Wren
wren sp.
European Starling
Curve-billed Thrasher
Brown Thrasher
Sage Thrasher
Northern Mockingbird
Western Bluebird
Hermit Thrush
American Robin
Cedar Waxwing
Phainopepla
House Sparrow
American Pipit
House Finch
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Pine Siskin
Lesser Goldfinch
Lawrence's Goldfinch
American Goldfinch
new world goldfinch sp.
Rufous-winged Sparrow
Chipping Sparrow
Clay-colored Sparrow
Brewer's Sparrow
Spizella sp.
Black-throated Sparrow
Lark Sparrow
Lark Bunting
Dark-eyed Junco
White-crowned Sparrow
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Vesper Sparrow
Savannah Sparrow
Song Sparrow
Lincoln's Sparrow
Abert's Towhee
Canyon/Abert's Towhee
Green-tailed Towhee
sparrow sp.
Yellow-headed Blackbird
Western Meadowlark
Western/Eastern Meadowlark
Hooded Oriole
Bullock's Oriole
new world oriole sp.
Red-winged Blackbird
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Bronzed Cowbird
Brown-headed Cowbird
Brewer's Blackbird
Great-tailed Grackle
blackbird sp.
Orange-crowned Warbler
Lucy's Warbler
Nashville Warbler
Virginia's Warbler
MacGillivray's Warbler
Common Yellowthroat
Yellow Warbler
Yellow-rumped Warbler
Black-throated Gray Warbler
Townsend's Warbler
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hermit Warbler
Wilson's Warbler
warbler sp. (Parulidae sp.)
Summer Tanager
Western Tanager
Northern Cardinal
Pyrrhuloxia
Northern Cardinal/Pyrrhuloxia
Black-headed Grosbeak
Blue Grosbeak
Lazuli Bunting
Passerina sp.
Dickcissel
passerine sp.
bird sp.

KEY:| = insufficient data | = rare to widespread

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