横向
1
Large reptile found near rivers
6
Egg-laying mammal with a duck bill
8
Small domesticated weasel-like animal
纵向
2
Eight-armed sea creature
3
Largest mammal in the ocean
4
Intelligent marine mammal
5
Fish that swims upstream to spawn
6
Flightless bird that swims in cold regions
7
Striped African horse-like animal