An infant black squirrel (Sciurus carolinensis) in Toronto, Ontario, Canada, on August, 31, 2021. Black squirrels are a melanistic subgroup of squirrels with black coloration on their fur. The phenomenon occurs with several species of squirrels, although it is most frequent with the eastern gray squirrel. (Photo by Creative Touch Imaging Ltd/NurPhoto/Rex Features/Shutterstock)
