male
Brightbill is the tritagonist in the DreamWorks film, The Wild Robot. He is an orphaned runt Canada goose who is raised by Roz as her own son.
Brightbill (The Wild Robot)
Goose
for Goose in Fictional animals by species
Suggested by adrianabengozarlopez
Obviously, don't nominate any human characters. Hybrids like Cheetah or The Lizard are okay, as are shapeshifters with one set animal form (eg Professor McGonagall.)