18. Why do birds sing

What is the purpose of singing for cardinals?

• To communicate with other birds

• To scare away predators

• To find a mate

• To mark their territory

Why do male cardinals sing loudly in the spring?

• To show off their singing skills

• To attract female cardinals

• To warn other male cardinals

• To scare away predators

What does a male cardinal's loud song indicate?

• He is not afraid of other cardinals

• He is not afraid of predators

• He is looking for food

• He is marking his territory

What is the purpose of a male cardinal's mating call?

• To communicate with other male cardinals

• To attract female cardinals

• To warn other birds

• To mark their territory

What do female cardinals look for in a mate?

• A male with a beautiful song

• A male who can find food

• A male who can protect their babies

• A male who is not afraid of predators

Why do male cardinals try to sing louder than other males?

• To show off their singing skills

• To scare away predators

• To mark their territory

• To attract female cardinals

Do female cardinals also sing in the spring?

• Yes, but only to communicate with other females

• Yes, to attract male cardinals

• No, only male cardinals sing

• No, they only sing in the winter

What are scientists still trying to learn about female cardinals?

• Why they sing different songs than males

• Why they sing more in the spring

• What their songs mean

• Why they have different colors than males