Monarch butterfly

Key facts

• Monarch butterfly lives in United States, Mexico, and Canada.
• Group: Insects and bugs.
• It weighs about 500 mg.
• A typical adult is about 10 cm (3.94 in) long.
• It lives about 180 days.
• Diet: herbivore.
• Habitat: grassland.
• The monarchs that fly to Mexico each autumn have never been there before, but they find the same mountain forests.