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2:16
Falconer Helen Macdonald Takes Goshawk Out for Test Flight
1:54
Size and strength are no match for social intelligence.
1:25
Just like their human counterparts, baby chimps need a little TLC.
4:18
Hummingbirds can lap up all of a flower's nectar in seconds. Here's how they do it.
2:17
Asiatic lion cubs enjoy a little rough and tumble with their parents.