River/Riparian birding habitat

Bill Williams River National Wildlife Refuge - Headquarters and Delta

Arizona · Southwest

Habitat
River/RiparianWetland
Best Seasons
Difficulty

Moderate

Best Months

October-May

About This Location

Bill Williams River National Wildlife Refuge - Headquarters and Delta is a productive birding destination in Arizona, with 233 species recorded on eBird. This river/riparian and wetland habitat attracts Mourning Dove, Costa's Hummingbird, and Verdin 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

Western Gull

Larus occidentalis

4/14/2026Lake Havasu City--Rotary Park1 observed

Canada Goose

Branta canadensis

4/10/2026Bill Williams River NWR--Headquarters and Delta (La Paz Co.)2 observed

Common Merganser

Mergus merganser

4/5/2026Bill Williams River NWR--Headquarters and Delta (La Paz Co.)1 observed

Red-naped Sapsucker

Sphyrapicus nuchalis

4/5/2026Ahakhav Tribal Preserve1 observed

MacGillivray's Warbler

Geothlypis tolmiei

4/5/2026Bill Williams River NWR--Mineral Wash (Mohave Co.)5 observed

Lazuli Bunting

Passerina amoena

4/5/2026Bill Williams River NWR--Mineral Wash (Mohave Co.)6 observed

Nashville Warbler (ridgwayi)

Leiothlypis ruficapilla

4/5/2026Bill Williams River NWR--Mineral Wash (Mohave Co.)1 observed

Long-tailed Duck

Clangula hyemalis

4/2/2026Parker Dam (AZ)2 observed

Short-billed Gull

Larus brachyrhynchus

4/2/2026London Bridge Beach, Lake Havasu City US-AZ1 observed

Recent Observations

Species reported at this location in the last 14 days

Western Grebe

24/10/2026

Double-crested Cormorant

14/10/2026

Green Heron

14/10/2026

Say's Phoebe

24/10/2026

Ash-throated Flycatcher

14/10/2026

Verdin

24/10/2026

Cliff Swallow

54/10/2026

House Finch

74/10/2026

Lucy's Warbler

14/10/2026

Ring-necked Duck

144/6/2026

Greater Scaup

154/6/2026

Common Goldeneye

24/6/2026

American Coot

74/6/2026

Pied-billed Grebe

24/6/2026

Clark's Grebe

24/6/2026

Great Blue Heron

14/6/2026

Belted Kingfisher

14/6/2026

Common Raven

24/6/2026

Great-tailed Grackle

44/6/2026

Mallard

24/6/2026

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.

Frequently Asked Questions

When is the best time to visit Bill Williams River National Wildlife Refuge - Headquarters and Delta for birding?
The best months to visit Bill Williams River National Wildlife Refuge - Headquarters and Delta for birding are October-May. The best seasons are Fall and Winter and Spring.
What birds can I see at Bill Williams River National Wildlife Refuge - Headquarters and Delta?
Notable species at Bill Williams River National Wildlife Refuge - Headquarters and Delta include Mourning Dove, Costa's Hummingbird, Verdin, Tree Swallow, House Finch. The area supports river/riparian, wetland habitats.
How difficult is birding at Bill Williams River National Wildlife Refuge - Headquarters and Delta?
Birding at Bill Williams River National Wildlife Refuge - Headquarters and Delta is rated as Moderate. Some trails may require moderate fitness and basic hiking ability.
What amenities are available at Bill Williams River National Wildlife Refuge - Headquarters and Delta?
Bill Williams River National Wildlife Refuge - Headquarters and Delta offers the following amenities: Parking, Restrooms, Trails, Auto Tour Route.