A new study details the evolutionary change of Anna’s Hummingbirds, finding their beaks have grown longer and more tapered to get the most from common feeders.
ornithology
Posted inNPR
‘Chimney caps, vent pipes, gutters’: Why some woodpeckers are major metal heads
When an NPR reporter heard a startling loud metallic noise in her house, she was about to get an interesting lesson in animal behavior.
