Both male and female monarchs are bright orange with black borders and black veins. The veins on the female are thicker than those of the male. Male monarchs also have a swollen pouch on both of their hind wings.
Monarchs are poisonous to vertebrates. Their poison comes from the milkweed they feed on.
Monarchs also use their appearance to ward off predators. Orange is considered a warning color, which will warn predators that monarchs are poisonous, and not to attack them. From a distance, monarchs can blend into their surroundings. Sometimes, their spots will appear to be the eyes of a larger animal, and will ward off predators.
Range wingspan: 8.6 to 12.4 cm.
Other Physical Features: ectothermic ; bilateral symmetry ; poisonous
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