Grey squirrels can actually come in black morphs, which are doing well in one US city because they're less likely to become roadkill
Več na: https://www.newscientist.com/article/2469771-motorists-may-be-driving-the-evolution-of-black-squirrels-in-cities/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news
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