Rule34.GG

Regular anthro
anus
arm around partner
avian
backsack
ball tuft
balls
bird
black body
black feathers
blush
butternutworm
canid
canine
canis
corvid
corvus (genus)
crow
domestic dog
duo
embarrassed
feathers
fingering
fur
genitals
intersex
intersex/male
male
mammal
oscine
overweight
passerine
puppy guard
russell (puppy guard)
side eye at viewer
size difference
slightly chubby
slightly chubby male
smile
smirk
tail
tail feathers
tongue
tongue out
tuft
wick (puppy guard)