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Birds might be evolving to dodge vehicles

Cliff Swallows - USA Today

Does a new study offer a bird's-eye view into evolution? Fewer cliff swallows are being killed by moving vehicles because of evolution, suggests a study published online today in the journal Current Biology. "These birds have been exposed to vehicles and roads for 30-plus years," says Charles Brown, the study's lead author. "During that time, they have evolved to avoid being killed by traffic. Evolution can happen very rapidly, and some animals can adapt to urban environments very rapidly."

 

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