横向
1
Wild dog-like animal of North America
4
Slow-moving mollusk without a shell
5
Egg-laying mammal with a duck bill
7
Amphibian that leaps and croaks
8
Large animal with a horn on its nose
9
Australian marsupial that hops
纵向
2
Large omnivore that hibernates
3
Largest living primate
6
Small spiny mammal