Black squirrels may be evolving due to roadkill in cities

Grey squirrels can actually come in black morphs, which are doing well in one US city because they’re less likely to become roadkill

​Grey squirrels can actually come in black morphs, which are doing well in one US city because they’re less likely to become roadkill Grey squirrels can actually come in black morphs, which are doing well in one US city because they’re less likely to become roadkill