Hostile hoots make robins eat less at night, study shows

The sound of tawny owls makes young European robins eat less during their southward migration. A new study from Lund University in Sweden shows how the threat from nocturnal predators affects the birds' behavior—and by ...

Songbirds socialize on the wing during migration, study suggests

The night sky teems with migrating songbirds, aloft in their millions following routes etched in evolutionary time. But those flight paths may not be entirely innate, according to research led by the University of Illinois ...

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