Birds and Mammals

Which of the following is true about both birds and mammals?

• they produce milk for their young

• they are vertebrates

• they all lay eggs

• they have hair

Contour feathers

• are longer and provide insulation.

• are short and fluffy.

We classify an animal as a bird if it has

• a beak.

• feathers.

• a gizzard.

• wings.

What is preening?

• A bird cleans his feathers.

• A bird fluffs his feathers to impress a female.

• A bird makes a nest.

• A bird pulls oil from the skin down the feathers.

Tags

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Which of the following parts of a bird MOST helps them to get the food they need?

• feathers

• gizzard

• nest

• beak

Which of the following is the meaning of the word incubate?

• to lie down on

• to turn

• to keep warm

• to eat

Which of the following describes most birds' bones?

• hollow

• very heavy

• lightweight

• birds don't have bones

Endothermic means that an animal

• stays inside.

• produces its own body heat.

• cannot eat.

• has hair.

Most mammals are

• pouched/marsupials.

• egg-layers.

• scaly.

• placental.

The largest order of mammals is

• birds.

• rodents.

• dolphins.

• hoofed mammals.