Millions of people around the globe spent some of their childhood watching Big Bird on Sesame Street. The giant, yellow eight-foot-two bird first debuted in 1969 and for decades, fans assumed they ...

When Jay Falk and Scott Taylor first saw the white-necked Jacobin hummingbird chick in Panama’s dense rainforest, the bird ...

The day-old bird, smaller than a pinky finger, had brown fuzz all over its body. When Falk and Taylor walked closer to the nest, the chick began twitching and shaking its head—a behavior they had ...