Across
1
Egg-laying mammal with a duck bill
3
Tallest living animal on Earth
5
Large animal with a horn on its nose
9
Slow-moving reptile with hard shell
10
Intelligent marine mammal
11
South American pack animal
Down
2
Large-eyed primate from Madagascar
4
Fastest land animal
6
Flightless bird that swims in cold regions
7
King of the jungle
8
Large bird of prey with keen eyesight