In pursuit of the world’s smallest bird, we’ve come to the backyard of a flamingo pink house in Palpite, Cuba. Ornithologist Christopher Clark has a car full of gear to unload: cameras, sound ...

"On a big night in the spring, you're talking 450 to 500 million birds flying under cover of darkness." It's a time of year when local birds that went south for the winter return or birds heading ...

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