横向
1
Fish that swims upstream to spawn
3
Striped African horse-like animal
4
Egg-laying mammal with a duck bill
6
Large-eyed primate from Madagascar
9
Australian burrowing marsupial
11
Large omnivore that hibernates
12
Flightless bird that swims in cold regions
纵向
1
Elegant white water bird
2
Wild dog that hunts in packs
4
Black-and-white bear from China
5
Small horse-shaped sea fish
7
Tallest living animal on Earth
8
Largest living primate
10
Large North American buffalo
