anthro
ass_to_ass
avian
beak
big_butt
bird
breasts
butt
butt_frottage
duo
echidna
female
gala-na
hirundinid
looking_at_viewer
mammal
monotreme
nipples
non-mammal_nipples
nude
oscine
passerine
raccoonshinobi
sega
side_boob
sonic_riders
sonic_the_hedgehog_(series)
swallow_(bird)
wave_the_swallow
