The Jub Jub Bird is an antagonist in Tim Burton's Alice in Wonderland.
The Jub Jub Bird
Bird (Other)
for Bird (Other) in Fictional animals by species
Suggested by adambell
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.)
