FURVERT!

alpha_channel anthro areola avian beak big_breasts bird black_and_white breasts erect_nipples female hi_res hirundinid misleading_thumbnail monochrome nipples non-mammal_breasts non-mammal_nipples oscine passerine scificat sega simple_background sketch solo sonic_riders sonic_the_hedgehog_(series)swallow_(bird)transparent_background wave_the_swallow