Extinct animal DLC:
Small Carnivore: Sea Mink
Medium Carnivore: Thylacine
Large Herbivore: Woolly Mammoth
Small Herbivore: Dodo
Random Species: Aurochs
Medium Herbivore: Pyranean Ibex
Exhibit Animal: Golden Toad
(Yes, I do know about prehistoric kingdom, also this thread is for planet zoo, not...