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October 24, 2017 10:00 am
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/y7Hv6WkWUhQ/bird-feeders-might-be-changing-bird-beaks
Bird Feeders Might Be Changing Bird Beaks
An anonymous reader shares a report: Bird beaks might be evolving to better fit bird feeders. A study of great tits in the UK, where feeders are common, found the bird's beaks have grown over the last 26 years, that British birds had longer beaks than those in the Netherlands, and that birds with genes for longer beaks were more likely to visit feeders, per Science News. Scientists have known that environmental changes, like El Nino, can influence the evolution of animals. Now, it appears something as simple as bird feeders can do the same. The scientists looked at the beaks of 2,322 great tits from the UK and the Netherlands, and also examined their genes. They tagged birds with gene variants for short and long beaks and tracked their feeding habits. What they found: The British birds had longer beaks and were more likely to have genes associated with beak length.Read more of this story at Slashdot.
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/y7Hv6WkWUhQ/bird-feeders-might-be-changing-bird-beaks
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