The Nature of Phenology 8/22/20: Monarch Caterpillars

Producers: Hazel Stark & Joe Horn
Host: Hazel Stark

Adult monarch butterflies seek out milkweed in particular to lay their eggs. Milkweed is a native species so named for the slightly toxic milky sap that oozes from the broken leaves or stems. This diet of milkweed, which the monarch caterpillars evolved to not be harmed by, is actually essential to their survival.

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