flight

Migrating birds have embarked on treacherous voyages for hundreds of thousands of years. Yet, habitat loss and climate change might be their biggest challenge. With many species on the brink of extinction, conservation programs aim to return and sustain wild populations of the world’s most vulnerable species. Captive breeding programs must select the fittest birds to survive such a perilous flight. Researchers find that sharper wing tips might improve survival during the first migration. There’s no time for winging it.