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July 12, 2018 — Four nights after the first attack, the owl returned to Steve and Rachel’s nest despite the recent addition of lights as a deterrent.

July 12, 2018 — There is a dazzling diversity of the tiny birds in the Americas, but recent discoveries trace their evolution back to Europe—where today there are no nectar-feeding species.

June 26, 2018 — By memorizing the common local language and sifting out the rest, young sparrows choose tradition over variance.

June 22, 2018 — A new study finds that nest type plays a big role in how long young birds can live at home.

June 14, 2018 — The glittering, colorful feathers on the throats of male hummingbirds help them attract mates and defend territory. Here's how they work, up-close.

June 11, 2018 — Most birds lay a predictable number of eggs, but why?

June 06, 2018 — It can be tempting to interfere with these brood parasites. But there are many reasons—legal and behavioral—to leave tampering to the pros.

June 05, 2018 — An extra-hard shell gives each egg a better chance of making it through a bulbul's gut—and hatching on the other side.

May 25, 2018 — A unique experiment aims to lure Kirtland's Warblers to habitat hundreds of miles away from their typical haunts. It's working better than expected.

May 24, 2018 — Today’s great diversity of tree-dwelling birds can be traced back to small ground birds that survived global forest destruction.