alien
avian
bad_end
bird
black_goo
canid
canine
canis
corvid
corvus_(genus)
crow
domestic_dog
egg
egg_insertion
goo-connected_lips
goo_creature
goo_transformation
grimdark
group
hacony
hive
horror_(theme)
impregnation
levi_(setting)
male
male/male
mammal
monster
nest
oscine
passerine
scared
transformation
trio
