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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.

11,542
recent observations
30
species listed
27
birds
2
plants
1
insects & arthropods

Naturalists have logged 11,542 research-grade observations across the 30 most-recorded species in Cosumnes River Preserve. The most frequently seen is the Greater White-fronted Goose, with 921 recorded sightings.

Birds account for the largest share of what gets recorded there (27 of the species listed here), followed by plants (2).

🖨️ Printable wildlife checklist📋 Printable field sheet

Most-observed species in Cosumnes River Preserve

Greater White-fronted Goose
Anser albifrons
921 observations
Sandhill Crane
Antigone canadensis
681 observations
Northern Pintail
Anas acuta
672 observations
Northern Shoveler
Spatula clypeata
631 observations
Black-necked Stilt
Himantopus mexicanus
601 observations
Green-winged Teal
Anas crecca
579 observations
Red-winged Blackbird
Agelaius phoeniceus
574 observations
Great Egret
Ardea alba
517 observations
Greater Yellowlegs
Tringa melanoleuca
428 observations
Black Phoebe
Sayornis nigricans
415 observations
American Coot
Fulica americana
409 observations
Golden-crowned Sparrow
Zonotrichia atricapilla
389 observations
Red-tailed Hawk
Buteo jamaicensis
376 observations
Cinnamon Teal
Spatula cyanoptera
371 observations
Killdeer
Charadrius vociferus
329 observations
Yellow-rumped Warbler
Setophaga coronata
319 observations
White-crowned Sparrow
Zonotrichia leucophrys
309 observations
Western Bluebird
Sialia mexicana
282 observations
Turkey Vulture
Cathartes aura
280 observations
Song Sparrow
Melospiza melodia
276 observations
House Finch
Haemorhous mexicanus
269 observations
Canada Goose
Branta canadensis
260 observations
Tree Swallow
Tachycineta bicolor
232 observations
Valley Oak
Quercus lobata
230 observations
Ruby-crowned Kinglet
Corthylio calendula
213 observations
Mallard
Anas platyrhynchos
208 observations
Spotted Towhee
Pipilo maculatus
199 observations
California Gall Wasp
Andricus quercuscalifornicus
197 observations · iNaturalist
Chicory
Cichorium intybus
188 observations
Bufflehead
Bucephala albeola
187 observations

Built from recent research-grade iNaturalist observations. Identifications are community-sourced and may occasionally be wrong, and the ranking reflects where people record and photograph wildlife, so a species seen often here is not necessarily rare elsewhere. Some plants and animals are only out in certain seasons. Treat this as a lively snapshot of what people are finding, not a formal checklist.

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