Science

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.
This Guy Is Mapping How Warblers Migrate, Just by Listening to Them Sing

This Guy Is Mapping How Warblers Migrate, Just by Listening to Them Sing

— We know where Mourning Warblers spend their winters and summers. But where they go inbetween is a mystery—one that can be solved through their songs.
Warmer Weather Brings Record Sightings for This Year’s Great Backyard Bird Count

Warmer Weather Brings Record Sightings for This Year’s Great Backyard Bird Count

— Data show high temperatures may have spurred unusual migration patterns for some species.
Mallards Are Everywhere, and That’s Great for Wetlands

Mallards Are Everywhere, and That’s Great for Wetlands

— Forget any misconceptions you might have about the Mallard. These ubiquitous ducks renew and create habitats just by going about their normal lives.
What the Heck Is a Lek? The Quirkiest Mating Party on Earth

What the Heck Is a Lek? The Quirkiest Mating Party on Earth

— Consider this your guide to the mating ritual that shapes the lives of a hundred dancing, singing bird species.
Why Male House Finches Can Be Different Colors

Why Male House Finches Can Be Different Colors

— You are what you eat.
Take a Look at This Extremely Rare White Penguin

Take a Look at This Extremely Rare White Penguin

— On an expedition in Antarctica, experienced birder Noah Strycker spotted the ghostly Gentoo on the crowded shores of South Georgia Island.
Pittsburgh’s Famous Bald Eagles Lost Their Nest Tree, But They Aren't Giving Up

Pittsburgh’s Famous Bald Eagles Lost Their Nest Tree, But They Aren't Giving Up

— Within days of losing their nest, the eagles built a new one and possibly even laid another egg, which would be an unprecedented achievement.