Monarch Butterflies Rely on Temperature-Sensitive Internal Timer While Overwintering

ENN
Jul 24, 2019, 11:25 am182 pts
The fact that millions of North American monarch butterflies fly thousands of miles each fall and somehow manage to find the same overwintering sites in central Mexican forests and along the California coast, year after year, is pretty mind-blowing.

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Monarch Butterflies Rely on Temperature-Sensitive Internal Timer While Overwintering

ENN

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