Reptile is an animal that produces eggs and lives both in land and water.
Scaly means covered with scales.
Weigh means to have a particular weight.
Beak is the hard, pointed part of a bird's mouth.
Claw is one of the sharp, curved nails at the end of each of the toes of some animals and birds.
Mammal is an animal in which the female gives birth to babies, not eggs, and feeds them on milk from her own body.
Backbone is the line of bones down the center of the back that provides support for the body.
Active means busy with a particular activity.