横向
1
Egg-laying mammal with a duck bill
2
Tallest living animal on Earth
3
King of the jungle
4
Amphibian that leaps and croaks
5
Burrowing mammal with poor eyesight
6
Striped African horse-like animal
8
Large bird of prey with keen eyesight
10
Slow-moving mollusk without a shell
纵向
1
Colorful bird that can mimic speech
2
Largest living primate
3
Clawed sea crustacean
7
Wild dog-like animal of North America
9
Small spiny mammal