Monarch butterfly milkweed has one of the most important plant–insect relationships in North America. Female monarchs seek milkweed when laying eggs because their caterpillars depend … Read More
Are monarch butterflies poisonous? Yes, monarch butterflies contain toxic chemicals called cardenolides, which they acquire as caterpillars by eating milkweed. These compounds make monarchs unpleasant … Read More
Are monarch butterflies endangered? The answer depends on which conservation system and country you mean. As of 2026, Canada legally lists the monarch as Endangered, … Read More
A yellow monarch butterfly may sound like a rare color form of the familiar monarch, but true monarchs (Danaus plexippus) are normally orange and black … Read More
The monarch butterfly life cycle is a remarkable transformation that begins with a tiny egg and progresses through caterpillar, chrysalis, and adult stages. Monarchs undergo … Read More
The monarch butterfly chrysalis is one of the most remarkable stages in the monarch life cycle. After feeding and growing as a caterpillar, the monarch … Read More
How long do monarch butterflies live? Most adult monarchs born during spring and summer live only about 2 to 6 weeks, but the special migratory … Read More
The Asclepias monarch butterfly relationship is one of the best-known examples of a butterfly depending on a particular group of plants. Asclepias, commonly called milkweed, … Read More
The zebra longwing butterfly is one of the most easily recognized butterflies in the Americas, famous for its long narrow wings and bold black-and-white striping. … Read More
The viceroy butterfly is one of North America’s most recognizable insects, famous for its striking resemblance to the monarch butterfly. For many years, even scientists … Read More
