Boulder Reservoir complex - Boulder Reservoir

Colorado · Rocky Mountains

ModerateView on eBird

Habitat

Lake

Best Seasons

SummerFall

Difficulty

Moderate

Best Months

June-October

About This Location

Boulder Reservoir complex - Boulder Reservoir is a productive birding destination in Colorado, with 264 species recorded on eBird. This lake habitat attracts Canada Goose, American Wigeon, and Lesser Scaup 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 American Wigeon Lesser Scaup Killdeer Ring-billed Gull

Live Bird Data

Notable Sightings

Rare or unusual species spotted nearby in the last 14 days

Blue-winged Teal

Spatula discors

3/5/2026Walden Ponds Wildlife Habitat--Walden & Sawhill Ponds all together3 observed

Acorn Woodpecker

Melanerpes formicivorus

3/5/2026Mountain View Cemetery (Boulder Co.)1 observed

Barn Swallow

Hirundo rustica

3/5/2026Walden Ponds Wildlife Habitat--Walden & Sawhill Ponds all together2 observed

Winter Wren

Troglodytes hiemalis

3/5/2026Plaster Reservoir1 observed

Yellow-bellied Sapsucker

Sphyrapicus varius

3/4/2026Mountain View Cemetery (Boulder Co.)1 observed

Western Bluebird

Sialia mexicana

3/4/2026University of Colorado Boulder--South Campus1 observed

Barrow's Goldeneye

Bucephala islandica

3/4/2026Tucker Lake1 observed

Recent Observations

Species reported at this location in the last 14 days

Canada Goose

352/27/2026

American Wigeon

282/27/2026

Lesser Scaup

22/27/2026

Killdeer

12/27/2026

Ring-billed Gull

202/27/2026

Red-tailed Hawk

22/27/2026

Birding Tips

1
Scan the water surface methodically for diving ducks, loons, and grebes.
2
Check the shoreline and mudflats for shorebirds and wading birds.
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.

Birding Guides

The Ultimate Guide to Fall Bird Migration: Hawks, Sparrows, and Confusing Plumages

10 min read

How to Identify Birds Like an Expert: The Four Keys to Field Identification

11 min read

The Best Birding Apps in 2026: The Ultimate Digital Field Guide

7 min read

Frequently Asked Questions

When is the best time to visit Boulder Reservoir complex - Boulder Reservoir for birding?▼

The best months to visit Boulder Reservoir complex - Boulder Reservoir for birding are June-October. The best seasons are Summer and Fall.

What birds can I see at Boulder Reservoir complex - Boulder Reservoir?▼

Notable species at Boulder Reservoir complex - Boulder Reservoir include Canada Goose, American Wigeon, Lesser Scaup, Killdeer, Ring-billed Gull. The area supports lake habitats.

How difficult is birding at Boulder Reservoir complex - Boulder Reservoir?▼

Birding at Boulder Reservoir complex - Boulder Reservoir is rated as Moderate. Some trails may require moderate fitness and basic hiking ability.

What amenities are available at Boulder Reservoir complex - Boulder Reservoir?▼

Boulder Reservoir complex - Boulder Reservoir offers the following amenities: Parking, Trails.