abs
anthro
avian
beak
bird
bulge
clothing
corvid
corvus_(genus)
crow
dbruin
greyscale
half-closed_eyes
hands_behind_head
harness
hi_res
jockstrap
looking_at_viewer
male
monochrome
muscular
muscular_anthro
muscular_male
narrowed_eyes
oscine
passerine
solo
underwear
