Sparrows

Birds in Winter: A Book Review, Written in Winter

7 monthes ago   |   By 10,000 Birds

Here are some of the things I learned reading Birds in Winter:
Birds who store food in advance of winter have a larger hippocampus (the brain structure that regulates memory) than non-storing birds do.
American Avocet, Black-bellied and Semipalmated Plovers feed nocturnally during winter, the same number of hours as they feed during the day; smaller shorebirds feed more at night.
Harris's Sparrows denote dominance by the amount of black on the head, the adult male birds with the most black ranking highest. This visual marking of who's in charge helps reduce aggressive actions within the...
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