Zoo Tycoon

Zoo Tycoon was the first installment in the Zoo Tycoon series.

Aquatic (2)

 * California Sea Lion
 * Saltwater Crocodile

Coniferous Forest (3)

 * Gray Wolf
 * Grizzly Bear
 * Siberian Tiger

Deciduous Forest (4)

 * Black Bear
 * Moose
 * Unicorn*

Desert (2)

 * Dromedary Camel
 * Gemsbok

Grassland (1)

 * American Bison

Highland (5)

 * American Bighorn Sheep
 * Giant Panda
 * Ibex
 * Markhor
 * Snow Leopard

Rainforest (10)

 * Bengal Tiger
 * Black Leopard
 * Chimpanzee
 * Clouded Leopard
 * Giant Anteater
 * Jaguar
 * Lowland Gorilla
 * Mandrill
 * Okapi
 * White Bengal Tiger

Savannah (18)

 * African Buffalo
 * African Elephant
 * African Lion
 * African Warthog
 * Black Rhinoceros
 * Cheetah
 * Common Wildebeest
 * Giraffe
 * Greater Flamingo
 * Hippopotamus
 * Leopard
 * Oliva Baboon
 * Ostrich
 * Plains Zebra
 * Red Kangaroo
 * Spotted Hyena
 * Thomson's Gazelle
 * Triceratops**

Tundra (3)
(*) Unicorn is unlocked by renaming an existing exhibit Xanadu.
 * Arctic Wolf
 * Emperor Penguin
 * Polar Bear

(**) Triceratops is unlocked by renaming an existing exhibit Cretaceous Corral.

Terrains (15)

 * Asphalt
 * Brown stone
 * Concrete
 * Coniferous floor
 * Deciduous floor
 * Dirt
 * Fresh water
 * Grass
 * Gravel
 * Gray stone
 * Rainforest floor
 * Salt water
 * Sand
 * Savannah grass
 * Snow