How Do Monarchs Find Milkweed?
When monarch butterflies arrive from Mexico in the early spring, milkweed is just beginning to emerge from the ground. Female monarchs are at the end of their lives. They must find milkweed quickly and lay eggs before they die. Milkweed is the only food monarch young will eat, so finding it is of the utmost importance. • What senses do monarchs have, and how do they use them to find milkweed?
