Owls hoot and geese honk, but the black Jacobin hummingbird sounds like a cricket. The Brazilian bird's song is so high-pitched that neuroscientist Claudio Mello didn't even realize at first that a ...
One of the first signs of spring are the sounds of birds chirping in search of food, nesting grounds, and a potential mate. But sometimes those bird calls aren’t coming from the source you’d expect.
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