anthro
arms_tied_behind_back
avian
bdsm
bird
bondage
bound
corvid
corvus_(genus)
crow
erection
feathers
feet
genitals
hi_res
jetmongrel
kneeling
looking_at_viewer
male
nude
oscine
passerine
penis
presenting
restraints
rope
rope_bondage
rope_harness
simple_background
slim
solo
tail
tail_feathers
talons
tapering_penis
toes
