Monarch caterpillars eat 200 times their weight in milkweed and can devour a whole leaf in less than 5 minutes. Monarch butterflies are poisonous to predators because of the chemicals in the milkweed ...

Monarch caterpillars eat 200 times their weight in milkweed and can devour a whole leaf in less than 5 minutes. Monarch butterflies are poisonous to predators because of the chemicals in the milkweed ...

The iconic monarch butterfly is declining across North America. You can help make a difference by providing the species with ...

Are monarch butterflies endangered? Monarch population numbers are falling and it's clear that these butterflies need our ...

So, this butterfly stores toxins in its body and becomes poisonous to predators like birds. If a predator were to attack and bite a monarch, it would inadvertently ingest a chemical that would ...

That cost may be worth it for monarch butterflies because the benefit of being noxious to predators is so much more valuable, Whiteman says. Tina Hesman Saey is the senior staff writer and reports ...

Want to see the metamorphosis process up close? A monarch butterfly house is available for viewing at the Mustard Seed Landscape and Garden Center in Chanhassen. Ward Johnson, co-director of Save ...

The number of monarch butterflies spending the winter in the western United States has dropped to its second-lowest mark in nearly three decades as pesticides, diminishing habitat and climate ...