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Wildlife in Cosumnes River Preserve

Here’s what naturalists are spotting in Cosumnes River Preserve right now - pulled live from recent research-grade observations. Browse by group, explore the map, and identify what you find with Huck.

11,280
recent observations
30
species listed
28
birds
1
plants
1
insects & arthropods

Naturalists have logged 11,280 research-grade observations across the 30 most-recorded species in Cosumnes River Preserve. The most frequently seen is the Greater White-fronted Goose, with 903 recorded sightings.

Birds account for the largest share of what gets recorded there (28 of the species listed here), followed by plants (1).

🖨️ Printable wildlife checklist📋 Printable field sheet

Most-observed species in Cosumnes River Preserve

Greater White-fronted Goose
Anser albifrons
903 observations
Northern Pintail
Anas acuta
652 observations
Sandhill Crane
Antigone canadensis
651 observations
Northern Shoveler
Spatula clypeata
611 observations
Black-necked Stilt
Himantopus mexicanus
576 observations
Green-winged Teal
Anas crecca
565 observations
Red-winged Blackbird
Agelaius phoeniceus
564 observations
Great Egret
Ardea alba
509 observations
Greater Yellowlegs
Tringa melanoleuca
417 observations
Black Phoebe
Sayornis nigricans
408 observations
American Coot
Fulica americana
393 observations
Golden-crowned Sparrow
Zonotrichia atricapilla
382 observations
Red-tailed Hawk
Buteo jamaicensis
367 observations
Cinnamon Teal
Spatula cyanoptera
362 observations
Killdeer
Charadrius vociferus
325 observations
Yellow-rumped Warbler
Setophaga coronata
316 observations
White-crowned Sparrow
Zonotrichia leucophrys
305 observations
Western Bluebird
Sialia mexicana
280 observations
Turkey Vulture
Cathartes aura
276 observations
Song Sparrow
Melospiza melodia
272 observations
House Finch
Haemorhous mexicanus
263 observations
Canada Goose
Branta canadensis
253 observations
Tree Swallow
Tachycineta bicolor
232 observations
valley oak
Quercus lobata
228 observations
Ruby-crowned Kinglet
Corthylio calendula
208 observations
Mallard
Anas platyrhynchos
204 observations
California Gall Wasp
Andricus quercuscalifornicus
195 observations · iNaturalist
Spotted Towhee
Pipilo maculatus
194 observations
California Scrub-Jay
Aphelocoma californica
185 observations
Bufflehead
Bucephala albeola
184 observations

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