With the lists of former species from other zoos, I decided it was time to make one about Columbus! I know this list is incomplete, so please chime in with species you know the Columbus Zoo used to have if you know some that I missed.
Pachyderms (old and new)- warthog, Nile hippo, Malayan tapir, African bush elephant, African forest elephant
Old Herbivore/Carnivore Bldg.- gerenuk, lesser kudu, yellow-backed duiker, bongo, nilgai, chital, lesser rhea, giant anteater, marabou stork, white-cheeked gibbon
Western part of zoo (including, but not limited to, the current Shores, Expedition Congo and Voyage to Australia and the Islands areas)- tiger quoll, banded palm civet, drill, emu, short-beaked echidna, giant panda (temporarily in 1992), golden monkey, insect building
Pachyderms (old and new)- warthog, Nile hippo, Malayan tapir, African bush elephant, African forest elephant
Old Herbivore/Carnivore Bldg.- gerenuk, lesser kudu, yellow-backed duiker, bongo, nilgai, chital, lesser rhea, giant anteater, marabou stork, white-cheeked gibbon
Western part of zoo (including, but not limited to, the current Shores, Expedition Congo and Voyage to Australia and the Islands areas)- tiger quoll, banded palm civet, drill, emu, short-beaked echidna, giant panda (temporarily in 1992), golden monkey, insect building