Unnatural Selection: How Humans Are Changing Evolution
Unnatural Selection - How Humans Are Changing Evolution | Nature Documentary The wings of cliff swallows in Nebraska are getting shorter – while female turtles in Chesapeake Bay are getting larger. On the Galapagos Islands, two species of finches are developing back into one. Increasing numbers of peregrine falcons are living in urban areas – and have adapted their behavior: thanks to the city lights, they have learned to hunt at night.
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