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 ...

It can be as simple as looking outside and admiring the birds in your area or as adventurous as traveling halfway around the world to spot a rare or exotic species. Birding has few requirements ...

Ornithologist Carla Dove explains how the microscopic structure of a bird's feather can help identify the species ... Viral King Penguin Molts His Baby Feathers (01:06) National Treasure: The ...