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

5/31/2026Lookout Slough Tidal Restoration1 observed

Long-billed Dowitcher

Limnodromus scolopaceus

5/31/2026Malcolm Lane, Dixon, California, US (38.317, -121.728)4 observed

Hudsonian Whimbrel

Numenius hudsonicus

5/31/2026Malcolm Lane, Dixon, California, US (38.317, -121.728)1 observed

American Pipit

Anthus rubescens

5/29/2026Cosumnes River Preserve1 observed

Dark-eyed Junco

Junco hyemalis

5/29/2026Cosumnes River Preserve1 observed

Brown Pelican

Pelecanus occidentalis

5/23/2026Northern Sherman Island Levee Road1 observed

Western Cattle-Egret

Ardea ibis

5/22/2026Bradford Island2 observed

Hooded Merganser

Lophodytes cucullatus

5/18/2026Sacramento Reg Wastewater Treatment Plant (limited access)1 observed

Recent Observations

Species reported at this location in the last 14 days

Wood Duck

25/31/2026

California Quail

35/31/2026

Mourning Dove

135/31/2026

Great Egret

25/31/2026

Great Blue Heron

15/31/2026

Turkey Vulture

175/31/2026

Red-shouldered Hawk

15/31/2026

Swainson's Hawk

15/31/2026

Red-tailed Hawk

105/31/2026

Belted Kingfisher

15/31/2026

Acorn Woodpecker

155/31/2026

Downy Woodpecker

15/31/2026

Nuttall's Woodpecker

95/31/2026

Northern Flicker

15/31/2026

Western Wood-Pewee

115/31/2026

Black Phoebe

295/31/2026

Western Kingbird

45/31/2026

California Scrub-Jay

95/31/2026

American Crow

45/31/2026

Oak Titmouse

15/31/2026

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.