Science

The Fascinating and Complicated Sex Lives of White-throated Sparrows
March 29, 2017 — 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鈥檚 Coolest, Most Specialized Raptors in Action
March 27, 2017 — 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
March 24, 2017 — Neonicotinoids are washing off of their host seeds and into water bodies鈥攖hreatening not just aquatic insects but the birds that rely on them.
This Guy Is Mapping How Warblers Migrate, Just by Listening to Them Sing
March 24, 2017 — We know where Mourning Warblers spend their winters and summers. But where they go inbetween is a mystery鈥攐ne that can be solved through their songs.
Warmer Weather Brings Record Sightings for This Year鈥檚 Great Backyard Bird Count
March 23, 2017 — Data show high temperatures may have spurred unusual migration patterns for some species.
Mallards Are Everywhere, and That鈥檚 Great for Wetlands
March 22, 2017 — 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.
March 15, 2017 — 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
March 13, 2017 — You are what you eat.
Take a Look at This Extremely Rare White Penguin
March 08, 2017 — On an expedition in Antarctica, experienced birder Noah Strycker spotted the ghostly Gentoo on the crowded shores of South Georgia Island.
Pittsburgh鈥檚 Famous Bald Eagles Lost Their Nest Tree, But They Aren't Giving Up
February 23, 2017 — Within days of losing their nest, the eagles built a new one and possibly even laid another egg, which would be an unprecedented achievement.