Across
1
Large reptile found near rivers
5
South American pack animal
6
Small horse-shaped sea fish
7
Egg-laying mammal with a duck bill
8
Largest living primate
10
Flightless bird that swims in cold regions
Down
2
Predatory fish with sharp teeth
3
Primate closest to humans
4
Fish that swims upstream to spawn
6
Elegant white water bird
9
Australian burrowing marsupial
11
King of the jungle
12
Insect with colorful wings