brown and gray heron

IRWD San Joaquin Marsh & Wildlife Sanctuary, Irvine

California · Southwest

Habitat
Wetland
Best Seasons
Difficulty

Moderate

Best Months

October-May

Entrance Fee

Free

Hours

Open daily, 7 AM - 4 PM

About This Location

IRWD San Joaquin Marsh & Wildlife Sanctuary, Irvine is a productive birding destination in California, with 334 species recorded on eBird. This wetland habitat attracts Canada Goose, Egyptian Goose, and Blue-winged Teal 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

Short-billed Dowitcher

Limnodromus griseus

7/20/2026IRWD San Joaquin Marsh & Wildlife Sanctuary1 observed

Canvasback

Aythya valisineria

7/20/2026Bolsa Chica Ecological Reserve1 observed

American Wigeon

Mareca americana

7/20/2026Bolsa Chica Ecological Reserve1 observed

Mitred Parakeet

Psittacara mitratus

7/20/2026Santa Ana River--Adams Ave. to Gisler Ave.2 observed

Western Tanager

Piranga ludoviciana

7/20/2026Mile Square Regional Park, Fountain Valley1 observed

Blue-gray Gnatcatcher

Polioptila caerulea

7/20/2026Newport Coast Drive above Marriott1 observed

Loggerhead Shrike

Lanius ludovicianus

7/20/2026Talbert Regional Park (North)1 observed

Western x Clark's Grebe (hybrid)

Aechmophorus occidentalis x clarkii

7/20/2026IRWD San Joaquin Marsh & Wildlife Sanctuary1 observed

Cackling Goose

Branta hutchinsii

7/19/2026Mile Square Regional Park, Fountain Valley1 observed

Lucy's Warbler

Leiothlypis luciae

7/19/2026Mile Square Regional Park, Fountain Valley1 observed

Snow Goose

Anser caerulescens

7/19/2026Carbon Canyon Regional Park1 observed

Northern Pintail

Anas acuta

7/19/2026Bolsa Chica--walkbridge/inner bay1 observed

American Oystercatcher

Haematopus palliatus

7/19/2026Dana Point Harbor1 observed

Surfbird

Calidris virgata

7/19/2026San Gabriel River mouth (ORA Co.)2 observed

Recent Observations

Species reported at this location in the last 14 days

Bell's Vireo

17/20/2026

Swinhoe's White-eye

17/20/2026

Hooded Oriole

27/20/2026

Canada Goose

407/20/2026

Egyptian Goose

17/20/2026

Cinnamon Teal

27/20/2026

Gadwall

47/20/2026

Mallard

287/20/2026

Black-necked Stilt

87/20/2026

Killdeer

17/20/2026

Semipalmated Plover

37/20/2026

Wilson's Phalarope

57/20/2026

Least Sandpiper

47/20/2026

Western Sandpiper

217/20/2026

Black Skimmer

1007/20/2026

Caspian Tern

367/20/2026

Forster's Tern

37/20/2026

Pied-billed Grebe

27/20/2026

Western Grebe

67/20/2026

Clark's Grebe

187/20/2026

Birding Tips

  1. 1

    Bring waterproof boots for marsh trails and muddy edges.

  2. 2

    Scan the edges of open water for herons, egrets, and rails at dawn.

  3. 3

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

  4. 4

    Bring insect repellent — wetland areas can have significant mosquito activity, especially in warmer months.

  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 IRWD San Joaquin Marsh & Wildlife Sanctuary, Irvine for birding?
The best months to visit IRWD San Joaquin Marsh & Wildlife Sanctuary, Irvine for birding are October-May. The best seasons are Fall and Winter and Spring.
What birds can I see at IRWD San Joaquin Marsh & Wildlife Sanctuary, Irvine?
Notable species at IRWD San Joaquin Marsh & Wildlife Sanctuary, Irvine include Canada Goose, Egyptian Goose, Blue-winged Teal, Cinnamon Teal, Northern Shoveler, Cooper's Hawk, Mourning Dove, Anna's Hummingbird, Allen's Hummingbird, Swinhoe's White-eye, Northern Mockingbird, House Finch. The area supports wetland habitats.
How difficult is birding at IRWD San Joaquin Marsh & Wildlife Sanctuary, Irvine?
Birding at IRWD San Joaquin Marsh & Wildlife Sanctuary, Irvine is rated as Moderate. Some trails may require moderate fitness and basic hiking ability.
Is there an entrance fee at IRWD San Joaquin Marsh & Wildlife Sanctuary, Irvine?
There is no entrance fee at IRWD San Joaquin Marsh & Wildlife Sanctuary, Irvine. Hours: Open daily, 7 AM - 4 PM.
What amenities are available at IRWD San Joaquin Marsh & Wildlife Sanctuary, Irvine?
IRWD San Joaquin Marsh & Wildlife Sanctuary, Irvine offers the following amenities: Parking, Restrooms, Trails, Visitor Center.