Some Migratory Birds Sleep Better Than Others

TrilobitesThe weariest warblers are more likely to sleep with their heads tucked in — saving energy, but making them more vulnerable to predators.CreditCreditBernard Friel/Danita Delimont, via AlamyEvery spring, throngs of garden warblers make a treacherous, multiweek journey from their winter homes in Africa to their summer breeding grounds in Europe. Read more »

Even Unhatched, Birds Exchange Survival Skills

Science|Even Unhatched, Birds Exchange Survival SkillsOn Sálvora Island, off the coast of Spain, thousands of yellow-legged gulls dot the grassy cliffs from April to late July.CreditJose C. Read more »

Who Liked Hurricane Sandy? These Tiny, Endangered Birds

Science|Who Liked Hurricane Sandy?These Tiny, Endangered BirdsTrilobitesOn New York’s Fire Island, the piping plover population has nearly doubled since the big storm in 2012, scientists report. Read more »

The Vampire Birds of the Galápagos Have Fascinating Inner Lives

Science|The Vampire Birds of the Galápagos Have Fascinating Inner LivesTrilobitesYes, there is such a thing as a vampire finch.Yes, there is such a thing as a vampire finch. Read more »

On Long Migrations, Birds Chase an Eternal Spring

This may be a common strategy among the world’s migratory birds, but Dr.In summer, birds heading to eastern North America, for instance, catch tailwinds that help them get over the Gulf of Mexico. Read more »