Science

When to Expect Hummingbirds in Your Yard This Spring

When to Expect Hummingbirds in Your Yard This Spring

— Flowers are beginning to bloom, and hummingbirds are starting to return from their southern winter sojourns. Here’s a regional guide for when they should arrive and the food they’re seeking.
The Barn Swallow Is Slowly Conquering the World

The Barn Swallow Is Slowly Conquering the World

— By expanding its breeding range in an unprecedented way, the adaptable swallow continues its spread—while baffling bird experts along the way.
Study on Pigeon Genes Finds Yet Another Way Science Underrepresents Females

Study on Pigeon Genes Finds Yet Another Way Science Underrepresents Females

— Males are often the default sex for studies, but new research showing sexes are more genetically different than previously thought could change that.
Audubon Volunteers Are Counting Bluebirds and Nuthatches to Better Understand Climate Change

Audubon Volunteers Are Counting Bluebirds and Nuthatches to Better Understand Climate Change

— A pilot program called Climate Watch aims to use on-the-ground observations to validate Audubon’s climate modeling, which predicts how birds’ territory ranges will shift in response to a changing climate.
How Millennia-Old Penguin Poo Led Scientists to a Volcanic Discovery

How Millennia-Old Penguin Poo Led Scientists to a Volcanic Discovery

— When Antarctic researchers found bones in an unusually smelly sediment core, they stumbled on evidence of how volcano eruptions shape ecology.
Unraveling the Mysteries of Migrating Semipalmated Sandpipers

Unraveling the Mysteries of Migrating Semipalmated Sandpipers

— In an unprecedented study, scientists used high-tech geolocators to track the paths and stopover sites of the globe-trotting shorebirds.
How ‘Feather Lady’ Roxie Laybourne Cracked the Deadly Problem of Planes and Birds

How ‘Feather Lady’ Roxie Laybourne Cracked the Deadly Problem of Planes and Birds

— The Smithsonian scientist combined her eye for microscopic detail with a lifelong interest in engines to found the field of forensic ornithology.
The Fascinating and Complicated Sex Lives of White-throated Sparrows

The Fascinating and Complicated Sex Lives of White-throated Sparrows

— With their quadruple personalities, those little brown birds at your feeder are a lot more interesting than they might appear.
See One of the World’s Coolest, Most Specialized Raptors in Action

See One of the World’s Coolest, Most Specialized Raptors in Action

— Snail Kite numbers in Florida dipped to a worrying low a decade ago. Since then, an influx of exotic snails has helped the endangered birds rebound.
The Same Pesticides Linked to Bee Declines Might Also Threaten Birds

The Same Pesticides Linked to Bee Declines Might Also Threaten Birds

— Neonicotinoids are washing off of their host seeds and into water bodies—threatening not just aquatic insects but the birds that rely on them.