observed the birds’ behavior in 2014 in Amsterdam, where she lives. “The poor warbler almost disappears in the wide-opened mouth of its ‘adopted’ baby,” Slothouber says. And yet “the ...

Annual salmon runs provide an enormous bounty and Steller's sea eagle nests are typically located near coasts and rivers where these fish appear en masse. These birds of prey hunt from a perch or ...

That's the way one scientist puts it — referring to how infected wild birds survive long enough to spread it to birds and ...