Select the one animal that has all of the bird traits listed above.
Black howler monkeys have loud calls, or howls. The howls can be heard over three miles away! Howler monkeys have fur and feed their offspring milk. Snowy owls have sharp, curved beaks and live in cold places. They have feathers on their feet to protect them from the cold. Mother owls keep their eggs warm by standing on their shells.
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 snowy owl has the following traits:
It has feathers.
It has wings.
It has a beak.
It makes eggs with shells.
A snowy owl has the traits of a bird. A snowy owl is a bird.
A black howler has the following traits:
It feeds its offspring milk.
It has fur.
A black howler does not have all of the traits of a bird. A black howler is a mammal.