Across
1
Egg-laying mammal with a duck bill
5
Slow-moving reptile with hard shell
7
Primate closest to humans
9
South American pack animal
10
Clawed sea crustacean
11
Australian marsupial that hops
Down
2
Slow-moving mollusk without a shell
3
Australian burrowing marsupial
4
Fish that swims upstream to spawn
6
Fastest land animal
8
Insect with colorful wings