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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.

11,307
recent observations
30
species listed
27
birds
2
plants
1
insects & arthropods

Naturalists have logged 11,307 research-grade observations across the 30 most-recorded species in Cosumnes River Preserve. The most frequently seen is the Greater White-fronted Goose, with 904 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
904 observations
Northern Pintail
Anas acuta
652 observations
Sandhill Crane
Antigone canadensis
652 observations
Northern Shoveler
Spatula clypeata
612 observations
Black-necked Stilt
Himantopus mexicanus
580 observations
Green-winged Teal
Anas crecca
566 observations
Red-winged Blackbird
Agelaius phoeniceus
565 observations
Great Egret
Ardea alba
510 observations
Greater Yellowlegs
Tringa melanoleuca
419 observations
Black Phoebe
Sayornis nigricans
409 observations
American Coot
Fulica americana
393 observations
Golden-crowned Sparrow
Zonotrichia atricapilla
383 observations
Red-tailed Hawk
Buteo jamaicensis
367 observations
Cinnamon Teal
Spatula cyanoptera
362 observations
Killdeer
Charadrius vociferus
326 observations
Yellow-rumped Warbler
Setophaga coronata
316 observations
White-crowned Sparrow
Zonotrichia leucophrys
306 observations
Western Bluebird
Sialia mexicana
280 observations
Turkey Vulture
Cathartes aura
278 observations
Song Sparrow
Melospiza melodia
272 observations
House Finch
Haemorhous mexicanus
265 observations
Canada Goose
Branta canadensis
255 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
196 observations · iNaturalist
Spotted Towhee
Pipilo maculatus
195 observations
chicory
Cichorium intybus
186 observations
California Scrub-Jay
Aphelocoma californica
186 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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