Across
1
Egg-laying mammal with a duck bill
4
Large reptile found near rivers
5
Tallest living animal on Earth
7
Largest living primate
10
Striped African horse-like animal
12
Animal that builds dams
Down
2
South American pack animal
3
Fish that swims upstream to spawn
6
Colorful bird that can mimic speech
8
Five-armed sea creature
9
Small domesticated weasel-like animal
11
Small horse-shaped sea fish
13
Animal known for fighting snakes