横向
1
Egg-laying mammal with a duck bill
4
Largest mammal in the ocean
5
Primate closest to humans
8
King of the jungle
11
Australian marsupial that hops
纵向
2
Wild dog that hunts in packs
3
Large tropical lizard
6
Spotted big cat that climbs trees
7
South American pack animal
9
Small domesticated weasel-like animal
10
Fastest land animal