New Monarch Butterfly (Danaus plexippus) Stock Pho

<p>Monarch Butterfly (Danaus plexippus). A new set of stock photos by Ernie Hunter The Monarch is one of the largest Canadian butterflies (wingspan: 93 to 105 mm). Bright orange with heavy black veins, it stands out, but for a reason. It's toxic. The caterpillars eat milkweed containing poisons, cardiac glycosides, which protect the plants from most herbivores. The caterpillars are not affected but store the poison in their bodies, passing it on to the butterfly. Birds eating a monarch...</p>