When winter cold sets in, birds face two daily challenges: don’t freeze and don’t starve. How do they do it? Different birds use different strategies—from freeze-proof toes, to snow dens, to using each other as a heat source. Revisit this feature from the Winter 2019 issue of Living Bird written by noted biologist Bernd Heinrich, the author of Winter World: The Ingenuity of Animal Survival. This is a wonderful book discussing how various species, including birds, reptiles, mammals, and insects survive the winter months. It is available online locally at Reads & Company.
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