Here is a look at five bird species that build some of the world’s most unusual nests, ranging from clay ovens to woven ...

“I bought a wooden whistle, but it wouldn’t whistle” is part of an old children’s song that goes on to joke about buying a metal whistle. But a modern metal whistle used by a policeman looks very ...

NPR's Scott Simon speaks with biologist Auke-Florian Hiemstra about his study of bird's nests that are made from anti-bird spikes. One human's trash just might be an avian's armoire. Urban birds have ...