How do you unlock the special animals in zoo empire

You unlock the special animals after winning the awards.
Chinese Alligator: You have to place all visitor items, all small items, all flora, all paths all visitor fences, and research all visitor items.
Asiatic Black Bear: Place 15 animal exhibits and animal's overall animal happiness goes to 85.
Przewalski's Wild Horse: Accumulated 700 visitors in the zoo.
Albino Gorilla: Zoo Rating goes to 100.
Grevy's Zebra: Number 25 animals they are healthy.
Sumatran Tiger: Provide 10 animals in a show.
Indian Rhinoceros: Animal hygiene degree is 90.