Bird Science

A brown and white eagle with a large yellow beak flies past the tops of pine trees.
When Birds Get Lost, Space Storms May Be to Blame
June 05, 2023 — New analysis of 60 years of bird banding data shows that vagrancy increases during periods of geomagnetic disturbance.
A condor stands on an orange-colored cliffside with outstretched wings affixed with numbered tags.
After a Wave of Bird Flu, More Than 20 California Condors Dead in the Southwest
May 10, 2023 — Setting the species' recovery back by at least a decade, the crisis appears to be ebbing as the weather warms, with no new detections since April.
A plump, streaky brown bird with large eyes and long beak stands on a lichen-covered stone looking at the camera.
Drab but Fab: Woodcocks Wear the Whitest Whites in the Avian Wardrobe
April 28, 2023 — Though mostly camouflaged, Eurasian Woodcocks have brilliant patches much whiter than any feathers previously measured, a recent study finds.
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 group of birds at a hanging feeder, two of them appear to be having a fight.
In Bird Feeder Battles, Social Species are Featherweights
March 09, 2023 — A new study finds ‘groupy and wimpy’ birds have a hard time fending off competition, but they can gain a boost among friends.
A male and female Canvasback duck face each other in the water, the male looking back with a vibrant red eye.
Bird Eyes Come In an Amazing Array of Colors—but Why Is a Mystery
February 07, 2023 — A recent study analyzing what scientists know about avian eye color finds that there are numerous questions left to solve.
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.
A chickadee perched on a pine branch with a blue background.
In the Rockies, Human Activity Paves the Way for a Hybrid Bird Boom
January 12, 2023 — Black-capped and Mountain Chickadees mate more often than previously believed, research shows—especially where people disturb their habitat.