Chickadee Facts

Did you know that the number of “dee” sounds chickadees make can convey information about the size or threat level of a predator?

Did you know that chickadees in harsher climates, (such as Maine or Alaska) have a larger hippocampus (part of the brain responsible for memory and spatial learning) than those in Iowa or Kansas?

Source: The Genius of Birds by Jennifer Ackerman

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