Across
1
Animal that builds dams
3
Slow-moving reptile with hard shell
5
Five-armed sea creature
Down
2
Largest mammal in the ocean
3
Striped big cat from Asia
4
Intelligent marine mammal
5
Fish that swims upstream to spawn
6
Small spiny mammal
7
Tallest living animal on Earth
8
Flightless bird that swims in cold regions
9
Small domesticated weasel-like animal