Some Hokkaido Winter Passerines
10,000 Birds
MAY 27, 2024
But while humans mainly try to stay slim and fit for health reasons, Eurasian Siskins care more about the danger of being eaten. However (also according to the HBW), Common Redpolls in Alaska are able to survive at temperatures of “only” -54°C compared with -67°C in Hoary Redpolls.
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