FURVERT!

anal anal_penetration anthro aquatic balls beach butt cetacean claws collar curling_toes detailed_background dolphin duo erection feet genitals larger_male male male/male male_penetrated male_penetrating male_penetrating_male mammal mustelid musteline nude oceanic_dolphin open_mouth outside penetration penis sand seaside sex sex_on_the_beach size_difference sky smaller_male spread_butt spreading stand_and_carry_position standing standing_sex stoat stoaty tongue tongue_out toothed_whale true_musteline ursofofinho water weasel zoop