Beautiful view of a majestic river with lush green hills during bright day sunlight, beauty in nature concept.

Cosumnes River Preserve

California · Southwest

Habitat
River/Riparian
Best Seasons
Difficulty

Moderate

Best Months

October-May

Entrance Fee

Free

Hours

Open daily, sunrise to sunset

About This Location

Cosumnes River Preserve is a productive birding destination in California, with 255 species recorded on eBird. This river/riparian habitat attracts American Wigeon, Green-winged Teal, and American Avocet among many others. The unique desert and riparian habitats support specialty species alongside wintering and migrating birds.

Location

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Notable Species

Live Bird Data

Powered by eBird / Cornell Lab of Ornithology

Notable Sightings

Rare or unusual species spotted nearby in the last 14 days

Bank Swallow

Riparia riparia

7/18/20266661–6665 Etzel Rd, Dixon US-CA 38.38143, -121.730811 observed

Wilson's Warbler

Cardellina pusilla

7/18/2026Reichmuth Park1 observed

Yellow-headed Blackbird

Xanthocephalus xanthocephalus

7/13/2026Delta - Lookout Slough5 observed

Western Tanager

Piranga ludoviciana

7/8/2026Bufferlands--Upper Beach Lake (limited access)1 observed

Dark-eyed Junco (Oregon)

Junco hyemalis

7/7/20263723 Gentle Rain Way, Stockton, California, US (38.04, -121.364)1 observed

Recent Observations

Species reported at this location in the last 14 days

Belted Kingfisher

47/18/2026

California Scrub-Jay

87/18/2026

Oak Titmouse

17/18/2026

Bushtit

107/18/2026

Northern House Wren

57/18/2026

Lesser Goldfinch

57/18/2026

American Goldfinch

67/18/2026

Spotted Towhee

37/18/2026

Mourning Dove

27/18/2026

Anna's Hummingbird

47/18/2026

Green Heron

17/18/2026

Turkey Vulture

27/18/2026

Swainson's Hawk

37/18/2026

Nuttall's Woodpecker

27/18/2026

Northern Flicker

17/18/2026

Black Phoebe

17/18/2026

Ash-throated Flycatcher

17/18/2026

Tree Swallow

27/18/2026

Cliff Swallow

17/18/2026

White-breasted Nuthatch

17/18/2026

Birding Tips

  1. 1

    Walk along the water slowly, scanning overhanging branches for kingfishers and warblers.

  2. 2

    Check sandbars and gravel bars for shorebirds and terns.

  3. 3

    Carry extra water and sun protection; mornings are the prime birding window.

  4. 4

    Arrive early in the morning for peak bird activity and to secure parking at popular viewing areas.

  5. 5

    Bring quality optics — a good pair of binoculars (8x42 or 10x42) makes all the difference in species identification.

Frequently Asked Questions

When is the best time to visit Cosumnes River Preserve for birding?
The best months to visit Cosumnes River Preserve for birding are October-May. The best seasons are Fall and Winter and Spring.
What birds can I see at Cosumnes River Preserve?
Notable species at Cosumnes River Preserve include American Wigeon, Green-winged Teal, American Avocet, Western Meadowlark, Snow Goose, Greater White-fronted Goose, Mallard, Wild Turkey, Great Egret, Great Blue Heron, Turkey Vulture, White-tailed Kite. The area supports river/riparian habitats.
How difficult is birding at Cosumnes River Preserve?
Birding at Cosumnes River Preserve is rated as Moderate. Some trails may require moderate fitness and basic hiking ability.
Is there an entrance fee at Cosumnes River Preserve?
There is no entrance fee at Cosumnes River Preserve. Hours: Open daily, sunrise to sunset.
What amenities are available at Cosumnes River Preserve?
Cosumnes River Preserve offers the following amenities: Parking, Restrooms, Trails, Visitor Center.