The Monarch Butterfly (Danaus plexippus) is capable of amazing migratorial feats of up to 3,000 of miles. There are two distinct Monarch populations in north America. The western population of Monarchs migrate from Mexico to parts of California, while the eastern population migrate as far north as southern Canada. Monarch populations are now threatened by climate change, pesticides, and the loss of the milk weed their larva need to feed on.
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