Twin Lakes (Boulder County)

Colorado · Rocky Mountains

ChallengingView on eBird Directions

Habitat

MountainForest

Best Seasons

Summer Fall

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

Canada Goose Mallard Common Merganser American Crow Black-capped Chickadee

Live Bird Data

Notable Sightings

Rare or unusual species spotted nearby in the last 14 days

Eastern Warbling Vireo

Vireo gilvus

5/31/2026Pella Crossing Open Space3 observed

Long-billed Dowitcher

Limnodromus scolopaceus

5/31/2026Walden Ponds Wildlife Habitat--Walden & Sawhill Ponds all together1 observed

Canvasback

Aythya valisineria

5/31/2026Lagerman Agricultural Preserve--Lagerman Reservoir2 observed

Blackburnian Warbler

Setophaga fusca

5/31/2026Golden Ponds Park and Nature Area1 observed

Common Goldeneye

Bucephala clangula

5/31/2026Pella Crossing Open Space1 observed

Ring-necked Pheasant

Phasianus colchicus

5/31/2026Pella Crossing Open Space1 observed

Recent Observations

Species reported at this location in the last 14 days

Canada Goose

15/29/2026

Mallard

65/29/2026

Osprey

15/29/2026

Swainson's Hawk

15/29/2026

Northern Flicker

5/29/2026

Blue Jay

15/29/2026

American Crow

5/29/2026

Black-capped Chickadee

65/29/2026

Cliff Swallow

205/29/2026

American Robin

35/29/2026

House Finch

5/29/2026

Song Sparrow

5/29/2026

Spotted Towhee

5/29/2026

Red-winged Blackbird

205/29/2026

Great Blue Heron

25/28/2026

Downy Woodpecker

15/28/2026

Common Raven

5/28/2026

Barn Swallow

25/28/2026

European Starling

15/28/2026

American Goldfinch

5/28/2026

Birding Tips

1
Bring layers as mountain weather changes rapidly at elevation.
2
Check exposed ridges and thermals for soaring raptors and swifts.
3
Acclimate to altitude before hiking to high-elevation birding spots.

Amenities

Parking

Trails

More in Colorado

Rocky Mountain National Park

Colorado alpine park with accessible tundra birding and elevation-diverse habitats.

Pawnee National Grassland

Colorado shortgrass prairie with grassland specialists and nesting raptors at Pawnee Buttes.

Adobe Creek Reservoir (Blue Lake) - Bent Co

Lake birding hotspot in Colorado with 227 recorded species.

Colorado Birding Guide

Complete guide to birding in Colorado →

Birding Guides

Fall Bird Migration Guide

10 min read

Bird Identification: The Four Keys

11 min read

Best Birding Apps in 2026

7 min read

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.