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 ...
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 ...
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