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ZEISS DTI thermal imaging cameras. For more discoveries at night, and during the day.

British birds evolve bigger beaks (1 Viewer)

Kits

Kits

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A report published in the US journal Science compared beak length among great tits in Britain and the Netherlands, where bird feeders are less common. Some birds in Britain have evolved bigger beaks over the past 40 years and researchers believe it may be down to the usage of feeders in the garden.


Article here.
 
Less common? In my neighborhood it was like a competition which garden steals birds from a neighbor. ;)
 
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