横向
1
Animal that builds dams
4
Dog-like scavenger of Africa
5
Egg-laying mammal with a duck bill
6
King of the jungle
10
Large North American buffalo
11
South American pack animal
纵向
2
Elegant white water bird
3
Largest living primate
7
Large reptile found near rivers
8
Fish that swims upstream to spawn
9
Flightless bird that swims in cold regions
12
Eight-armed sea creature