Select the one animal that has all of the bird traits listed above.
Great crested newts have moist brown skin with black spots. Adult great crested newts mostly live on land, but young newts live underwater. Great crested newt eggs do not have shells. The female newts wrap their eggs in leaves for protection. Great blue herons have two wings with bluish-gray feathers. Their eggs also have bluish shells. Great blue herons use their beaks to catch and eat small fish, crabs, and other small animals.
Birds are a group of animals with similar traits. The following traits can be used to identify birds:
They have feathers.
They have wings.
They have a beak.
They make eggs with shells. Observe the animals and read the descriptions.
Scientists sort animals with similar traits into groups. This is called classification. Classification helps scientists learn about how animals live.
How do scientists classify animals? First, they make observations about an animal. Scientists observe the animal's traits, including its body parts and behavior. Then, scientists compare the animal's traits to other animals' traits. Scientists classify animals with similar traits into a group.
To decide if an animal is part of a group, look at the traits of the group.
Birds have the following traits:
They have feathers.
They have wings.
They have a beak.
They make eggs with shells.
Compare each animal's traits to the group's traits. Select the animal with traits similar to the group's traits.
A great crested newt has the following traits:
It spends part of its life in water and part on land.
It has moist skin.
It makes eggs with no shells.
A great crested newt does not have all of the traits of a bird. A great crested newt is an amphibian.
A great blue heron has the following traits:
It has feathers.
It has wings.
It has a beak.
It makes eggs with shells.
A great blue heron has the traits of a bird. A great blue heron is a bird.