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-black-squirrels-may-be-evolving-due-to-roadkill-in-cities/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home
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