Bird Migration

Three sparrows with colorful bands on their legs forage for seeds on the ground.
Golden-crowned Sparrows Prefer to Spend Winter With Their Buddies
August 29, 2023 — A decade-long bird monitoring program found that the songbirds are more likely to live and travel with their friends.
A gray and yellow warbler lies dead on a sidewalk, feet up in the air, while people and cars pass by, the busy city in the background.
Unseen Danger: One Day of Deadly Window Strikes for New York’s Birds
June 26, 2023 — Go behind the scenes with the dedicated New Yorkers working to stop the flood of avoidable deaths that occur in the city each migration season.
Conservation Challenges
A close up portrait of a small, streaky, brown and white bird looking at the camera.
Migrating Birds Change Their Scenery—and Their Gut Bacteria
April 20, 2023 — A new study using birds killed in window collisions finds avian microbiomes, unlike those of mammals including humans, vary as they travel, changing with the surrounding environments.
A little brown and white thrush with its feathers fluffed up perches on a fallen tree in a forest holding a red berry in its beak.
Forest Fragments Act Like ‘Convenience Stores’ for Migrating Birds, Study Finds
March 31, 2023 — Using radar data, scientists identified the most popular stopover sites for migrants across the eastern United States. But these same strongholds are often overlooked in conservation strategies
A yellow bird in flight, blue sky in the background.
Migrating Male Birds Race Ahead to Keep Up with Spring’s Early Arrival
January 26, 2023 — New research finds females are lagging behind males as they try and keep up with earlier springs driven by climate change.
Bird Science
An illustration of a bird flying between brightly and dimly lit cities.
How to Make Your Outdoor Home Lighting Bird-Friendly
May 31, 2022 — Learn about shielding lights and other ways to make your outdoor lighting more bird-friendly.
ROCKIES Bird-friendly Buildings
A female Wilson’s Phalarope swims in a shallow wetland.
Funneling Phalaropes
May 13, 2022 — Follow the hemispheric migration of the Wilson’s Phalarope.
ROCKIES
Yellow Warbler perched on a branch.
5 Birds that Migrate to the Rockies
April 29, 2022 — How to identify five common migratory birds in Colorado, Wyoming, and Utah.
ROCKIES Bird Identificiation
A Western Meadowlark stands alert in a field of tall, green grass.
Where to Look for Birds During Spring Migration
April 25, 2022 — Learn about birds commonly seen in the spring in the Rockies and where to look for them.
ROCKIES Birding
Easy Ways to Help Migratory Birds
April 19, 2022 — Four simple steps you can take to help birds migrate safely.
ROCKIES