Across
1
Egg-laying mammal with a duck bill
3
Burrowing mammal with poor eyesight
7
Wild dog-like animal of North America
8
Small domesticated weasel-like animal
10
Australian marsupial that eats eucalyptus
11
Slow-moving mollusk without a shell
12
Largest mammal in the ocean
Down
2
Large bird of prey with keen eyesight
4
Slow-moving reptile with hard shell
5
Fish that swims upstream to spawn
6
South American pack animal
7
Crustacean with pincers
9
Insect with colorful wings