Across
1
Flightless bird that swims in cold regions
4
Burrowing mammal with poor eyesight
5
Largest mammal in the ocean
6
Tallest living animal on Earth
7
Crustacean with pincers
8
Large tropical lizard
9
Large reptile found near rivers
10
Small domesticated weasel-like animal
Down
1
Egg-laying mammal with a duck bill
2
Fish that swims upstream to spawn
3
Slow-moving mollusk without a shell
4
Animal known for fighting snakes
11
Predatory fish with sharp teeth