Mountain birding habitat

Twin Lakes (Boulder County)

Colorado · Rocky Mountains

Habitat
MountainForest
Best Seasons
Difficulty

Challenging

Best Months

June-October

About This Location

Twin Lakes (Boulder County) is a productive birding destination in Colorado, with 228 species recorded on eBird. This mountain and forest habitat attracts Canada Goose, Mallard, and Common Merganser among many others. Elevation changes create diverse habitats, from riparian valleys to alpine meadows, supporting a wide range of species.

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

Red Crossbill (Ponderosa Pine or type 2)

Loxia curvirostra

7/10/2026Bear Canyon Trail29 observed

Field Sparrow

Spizella pusilla

7/10/202610726–10968 Plainview Rd, Golden US-CO (39.8977,-105.2717)1 observed

Broad-winged Hawk

Buteo platypterus

7/10/2026Pearl Street Mall1 observed

Eastern Warbling Vireo

Vireo gilvus

7/10/2026White Rocks Trail area1 observed

Solitary Sandpiper

Tringa solitaria

7/10/2026Lagerman Agricultural Preserve--Lagerman Reservoir2 observed

Western Sandpiper

Calidris mauri

7/9/2026Lagerman Agricultural Preserve--Lagerman Reservoir2 observed

Upland Sandpiper

Bartramia longicauda

7/9/2026Piedra Pond1 observed

White-winged Crossbill

Loxia leucoptera

7/8/2026Brainard Lake Road Gate1 observed

White-throated Sparrow

Zonotrichia albicollis

7/8/2026Walnut Creek--Great Western Reservoir to Simms St.1 observed

Marbled Godwit

Limosa fedoa

7/8/2026Standley Lake Park--south shore1 observed

Recent Observations

Species reported at this location in the last 14 days

Mallard

27/10/2026

Eurasian Collared-Dove

27/10/2026

Snowy Egret

17/10/2026

Great Blue Heron

17/10/2026

Blue Jay

27/10/2026

Barn Swallow

17/10/2026

Cliff Swallow

37/10/2026

House Finch

17/10/2026

Spotted Towhee

17/10/2026

Red-winged Blackbird

77/10/2026

Common Grackle

37/10/2026

Mourning Dove

17/9/2026

Northern Flicker

17/9/2026

Bushtit

67/9/2026

Cooper's Hawk

17/9/2026

Black-capped Chickadee

17/9/2026

American Crow

27/8/2026

American Robin

57/8/2026

American Goldfinch

37/8/2026

Double-crested Cormorant

17/7/2026

Birding Tips

  1. 1

    Bring layers as mountain weather changes rapidly at elevation.

  2. 2

    Check exposed ridges and thermals for soaring raptors and swifts.

  3. 3

    Acclimate to altitude before hiking to high-elevation birding spots.

Frequently Asked Questions

When is the best time to visit Twin Lakes (Boulder County) for birding?
The best months to visit Twin Lakes (Boulder County) for birding are June-October. The best seasons are Summer and Fall.
What birds can I see at Twin Lakes (Boulder County)?
Notable species at Twin Lakes (Boulder County) include Canada Goose, Mallard, Common Merganser, American Crow, Black-capped Chickadee. The area supports mountain, forest habitats.
How difficult is birding at Twin Lakes (Boulder County)?
Birding at Twin Lakes (Boulder County) is rated as Challenging. The terrain can be challenging and may require good physical fitness and preparation.
What amenities are available at Twin Lakes (Boulder County)?
Twin Lakes (Boulder County) offers the following amenities: Parking, Trails.