Which of the following statements is right about the question.

Which of these traits makes the monarch butterfly a specialist?
They migrate to Mexico in the winter.
The caterpillars only eat milkweed plants.
The adults pollinate flowers.
They are usually avoided by predators like birds.

The statement "The caterpillars only eat milkweed plants" is right about the question. This trait of only eating milkweed plants makes the monarch butterfly a specialist.