Science

Scientists Pinpoint the Secret Password That Unlocks Cowbirds' Self-Identity

Scientists Pinpoint the Secret Password That Unlocks Cowbirds' Self-Identity

— The mystery of how Brown-headed Cowbirds—which are raised by members of other species—learn to see themselves as cowbirds has finally been solved. The answer lies deep in the brain.
It’s True, Some North American Birds Can’t Keep Up With Shifting Spring Blooms

It’s True, Some North American Birds Can’t Keep Up With Shifting Spring Blooms

— As climate change makes the seasons less predictable, one in five studied species are struggling to time their migrations with the greenery.
Do the Benefits of Tracking Migrant Warblers Outweigh the Risks?

Do the Benefits of Tracking Migrant Warblers Outweigh the Risks?

— Research shows that geolocators might prevent some migratory warblers from returning home, but those that do provide valuable conservation data.
Why Are Murre Eggs So Pointy? New Research Debunks the Prevailing Theory

Why Are Murre Eggs So Pointy? New Research Debunks the Prevailing Theory

— Scientists have long thought that a murre egg's shape kept it from rolling off the ledges where the birds nest, but the truth might not be that simple.
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.