Hummingbirds lay the smallest eggs of all birds. Ostriches lay the largest. The egg of a hummingbird is about the size of a green pea. An ostrich egg is about the size of a cantaloupe.
What is the main point of the paragraph?
1. Hummingbirds are the smallest of all birds.
2. Ostriches are the largest of all birds.
3. Bird eggs are not all the same size.
4. Hummingbirds and ostriches are colorful birds.