横向
1
Egg-laying mammal with a duck bill
3
Fastest land animal
5
Largest living primate
纵向
2
Small horse-shaped sea fish
3
Primate closest to humans
4
Large North American buffalo
6
Soft sea creature that can sting
7
Animal that builds dams
8
Crustacean with pincers
9
Flightless bird that swims in cold regions