Bird Migration

Close up of a brown and white bird with a long curved yellow beak looking at the camera, held in someone's hands.
A Migrating Cuckoo Named Hummus Makes a Tasty Case for Land Conservation
August 31, 2023 — On its international journey south, one federally threatened bird has passed through at least six protected areas.
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.
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.
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.
A female Wilson’s Phalarope swims in a shallow wetland.
Funneling Phalaropes
May 13, 2022 — Follow the hemispheric migration of the Wilson’s Phalarope.
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.
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.