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2021 abs animal_genitalia animal_penis anthro ball_tuft balls big_penis black_body black_fur black_penis canine_genitalia canine_penis detailed_background erection fangs felid fur genitals grass grey_body grey_fur hair hi_res i-psilone knot knotted_penis male male_anthro mammal muscular muscular_anthro muscular_male night nude nude_anthro nude_male outside pecs penis plant prehistoric_species saber-toothed_tiger sabertooth_(anatomy)solo tail teeth tree tuft white_hair yellow_eyes