elephant rhino hippo zebra horse alligator crocodile lion tiger grizzly bear black bear polar bear panda bear cow kangaroo giraffe wildebeest American bison water buffalo anaconda boa constrictor Jaguar boar walrus elephant seal bighorn sheep mountain goat dog wolf cougar emu gorilla chimpanzee orangutan howler monkey human  hyena donkey elk moose reindeer llama alpaca one hump two hump camel