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How bird feeders may be changing great tits’ beaks

Songbirds living in the United Kingdom have evolved longer bills than related birds in the Netherlands

Great tit

PINNOCHIO  Great tits in the United Kingdom may be evolving longer beaks because of more available food, thanks to the extensive use of bird feeders in the country.  

Dennis van de Water

By Mariah Quintanilla

- More than 2 years ago

Some great tits in the United Kingdom are getting long in the beak — and it may have something to do with a British fondness for bird feeders.