A thick-furred mammal that often hibernates during the winter.
Bear
A large predatory fish with sharp teeth and a dorsal fin.
Shark
A large, dry area of land with very little rainfall and sparse vegetation.
Desert
To create or design something that has never been made before.
To invent
Feathered, winged vertebrates that generally have the ability to fly.
Birds
This large, orange-and-black striped feline is a top predator in the jungle.
Tiger
This massive marine mammal is actually the largest animal on Earth.
Whale
A piece of land that is completely surrounded by water.
Island
To keep something safe from harm, injury, or destruction.
To protect
A small animal with six legs and often one or two pairs of wings.
Insect
This Australian mammal carries its young in a pouch and moves by hopping.
Kangaroo
A highly intelligent marine mammal known for its playful nature and "clicks."
Dolphin
A mountain that can erupt with lava, ash, and gas.
Volcano
To stop existing or to pass out of sight suddenly.
To disappear
Warm-blooded animals that have hair or fur and nourish their young with milk.
Mammals
The largest land mammal, known for its tusks and long trunk.
Elephant
A reptile with a hard shell that can live in the ocean or on land.
Turtle
A large natural stream of water flowing in a channel to the sea.
River
To construct something, like a house or a wall, by putting parts together.
To build
A class of animals that have scales and typically lay tough-shelled eggs.
Reptiles
This long-necked herbivore is the tallest land animal in the world.
Giraffe
This large tusked marine mammal lives in the Arctic and loves icy water.
Walrus
The low area of land situated between two mountains or hills.
Valley
To find something unexpectedly or for the first time.
To discover
Cold-blooded vertebrates like frogs that live both in water and on land.
Amphibians