Across
1
Egg-laying mammal with a duck bill
5
Animal that builds dams
6
Fish that swims upstream to spawn
7
Largest mammal in the ocean
8
Largest living primate
Down
2
Wild dog-like animal of North America
3
Intelligent marine mammal
4
Insect with colorful wings
9
Black big cat of the jungle
10
Animal known for fighting snakes
11
Bird of prey with sharp talons
