横向
1
Flightless bird that swims in cold regions
3
Animal that builds dams
4
South American pack animal
6
Wild dog that hunts in packs
7
Wild dog-like animal of North America
8
Small domesticated weasel-like animal
纵向
1
Egg-laying mammal with a duck bill
2
Largest living primate
3
Insect with colorful wings
5
Tallest living animal on Earth