横向
1
Egg-laying mammal with a duck bill
4
Fish that swims upstream to spawn
5
Large reptile found near rivers
6
Five-armed sea creature
7
Bird of prey with sharp talons
9
Large bird of prey with keen eyesight
纵向
2
Predatory fish with sharp teeth
3
Slow-moving reptile with hard shell
8
Largest living primate
10
Flightless bird that swims in cold regions