横向
1
Tallest living animal on Earth
4
Dog-like scavenger of Africa
7
Flightless bird that swims in cold regions
9
Animal that builds dams
纵向
2
Egg-laying mammal with a duck bill
3
Striped African horse-like animal
5
Primate closest to humans
6
Black-and-white bear from China
8
Large animal with a horn on its nose
10
Intelligent marine mammal