A genus of butterflies, commonly called clouded yellows or common brimstones, found across Europe and Asia.
Scientific Latin name for the genus, possibly derived from Greek origins related to color or form, following Linnaean taxonomic naming conventions established in the 18th century.
Colias butterflies are incredible navigators—some species migrate thousands of miles, and they can shift their wing color patterns to absorb heat differently based on temperature, a phenomenon called polyphenism!
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