横向
1
Large reptile found near rivers
4
Slow-moving mollusk without a shell
5
Egg-laying mammal with a duck bill
6
Crustacean with pincers
9
Small domesticated weasel-like animal
11
Largest living primate
纵向
2
Amphibian that leaps and croaks
3
Large tropical lizard
5
Flightless bird that swims in cold regions
6
Wild dog-like animal of North America
7
Small spiny mammal
8
Slow-moving reptile with hard shell
10
Large North American buffalo
