The animal kingdom is brimming with fauna who get their rocks off in surprisingly unorthodox ways, and it adds an extra level of curiosity when you depict these behaviors using anthropomorphic models. Illustrator Humon has done just that. Oh hyenas, giving birth through your positively epic clitorises and whatnot. Let's all be happy duck sex isn't on display here.
(She also notes, "I actually left out the first step of giraffe courtship– the male smacks the female on the bottom to get her to urinate.")