横向
1
Intelligent marine mammal
2
Wild dog-like animal of North America
3
Striped African horse-like animal
5
Largest mammal in the ocean
7
Large tropical lizard
8
Egg-laying mammal with a duck bill
9
Tallest living animal on Earth
纵向
2
Primate closest to humans
4
Small horse-shaped sea fish
5
Wild dog that hunts in packs
6
Amphibian that leaps and croaks