Across
1
Egg-laying mammal with a duck bill
2
Crustacean with pincers
3
Graceful animal with antlers
5
Pink bird that stands on one leg
8
Australian marsupial that hops
12
Fish that swims upstream to spawn
Down
2
Large reptile found near rivers
4
Animal known for fighting snakes
6
Burrowing mammal with poor eyesight
7
Predatory fish with sharp teeth
9
Tallest living animal on Earth
10
Wild dog-like animal of North America
11
Animal that builds dams
13
Large North American buffalo