Select the one animal that has all of the bird traits listed above.
Green violetears are a type of hummingbird. Hummingbirds can use their wings to fly backward and upside-down! Green violetears also have a beak and feathers. Their eggs have shells and are the size of jellybeans. Cobras hatch from eggs with shells. They have a wide, flat hood. A cobra can display its hood to scare away a predator. Like the rest of its body, the hood is covered in waterproof scales.
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 green violetear has the following traits:
It has feathers.
It has wings.
It has a beak.
It makes eggs with shells.
A green violetear has the traits of a bird. A green violetear is a bird.
A cobra has the following traits:
It has scaly, waterproof skin.
It makes eggs with shells.
A cobra does not have all of the traits of a bird. A cobra is a reptile.