FURVERT!

1:1 absurd_res anthro avian big_butt bird butt butt_cleavage dominant dominant_female duo eulipotyphlan facesitting female hedgehog hi_res hirundinid huge_butt male male/female mammal monochrome oscine passerine sega shadow_the_hedgehog sitting sitting_on_another sonic_riders sonic_the_hedgehog_(series)swallow_(bird)ultimateshadow wave_the_swallow