Animal Classification: Birds

Contributor: Samantha Penna. Lesson ID: 11363

Birds are all over the place! Maybe you feed them or have one as a pet! Do you eat eggs? Learn all about birds with a fascinating video and some fun games, and create a colorful bird page!


Life Science

learning style
personality style
Grade Level
Primary (K-2)
Lesson Type
Quick Query

Lesson Plan - Get It!

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  • Do you know what type of animal this is?

blue bird

  • Did you say the animal in the picture was a bird?

In this lesson, learn all about birds. Birds have similar characteristics to mammals, reptiles, amphibians, and fish! Read on to learn all about birds.

Birds are warm-blooded like mammals. This means they can regulate their body temperatures like mammals. Their body temperature stays the same throughout their life.

sparrows in winter

  • What do you notice about birds?
  • Do they have scales like reptiles and fish?
  • Do they have smooth skin like amphibians?
  • Do they have fur like mammals?

No, they have none of these things. Take a look at the picture of the bird below.

barn owl

I'm sure you've seen birds flying outside, or maybe you or someone you know has a bird for a pet.

  • How would it feel to touch a bird?
  • What do birds have as a covering to protect their body and help them fly?

If you said "feathers," you are correct! Birds have feathers. Their feathers help them stay warm and help them fly.

macaw feathers

  • Did you know birds have something in common with reptiles, amphibians, and fish?
  • Can you guess what that is?

Use the picture below to help you.

  • Did you say they lay eggs?

Great work! Birds lay eggs, too. They don't lay nearly as many eggs as reptiles, amphibians, and fish — they only lay four or five eggs at one time.

robin eggs

Birds are vertebrates just like mammals, reptiles, amphibians, and fish.

  • What does it mean to be a vertebrate?

Nice job! Being a vertebrate means you have a backbone.

  • What is another name for a backbone?

 Great! Spine is another word for backbone.

Check out the skeleton of the bird below. Point to the spine in the picture.

penguin skeleton

Birds only have two legs. They use their legs and feet to climb branches, catch prey, and build their nest.

pink flamingos

Before moving on to the next section, Say out loud something birds have in common with mammals. Say something birds have in common with reptiles, amphibians, and fish.

Then, move on to the Got It? section.

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