4:3
4_arms
accipitrid
accipitriform
andromorph
andromorph/male
andromorph_penetrated
anthro
avian
balls
beak
bearded_vulture
big_muscles
bird
crius
duo
genitals
hi_res
huge_muscles
humanoid_genitalia
humanoid_penis
hybrid
intersex
intersex/male
intersex_penetrated
male
male_penetrating
male_penetrating_andromorph
male_penetrating_intersex
multi_arm
multi_limb
muscular
non-mammal_balls
old_world_vulture
penetration
penis
reptile
scalie
serpentine
sex
size_difference
snake
tail
v-i-e
vaginal
vaginal_penetration
vulture
vulva
zaera