Forum > Birds In The News > Do Songbirds Pay A Price For Winter Wandering?

 
Webmaster Posted 15-Apr-2019 08:19
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From Science Daily and Guardian on 15-Apr-2019 08:19

During harsh winters, birds that eat conifer seeds sometimes leave their homes in northern forests and wander far from their normal ranges in search of food. A new study uses citizen science data to show for the first time that these winter movements lead to a decline in birds' population density in their breeding range the following summer, suggesting that irrupting birds succumb to the difficulties of avoiding predators and finding food in unfamiliar landscapes.


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