Chickadee Brains Are Bigger in the Cold

As the colder months arrive, birds that remain in northern climates face the harsh realities of staying warm and finding food. Some birds approach the food problem by storing it in advance — a behavior called caching. Chickadees, nuthatches, jays, and some woodpeckers are known to cache large supplies of seeds in many places. But what enables birds such as this Black-capped Chickadee to find the seeds they’ve stored? They amplify spatial memory.

More info and transcript at BirdNote.org. 

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