Miami blue butterfly to be declared endangered

The tiny Miami blue butterfly, reduced to a few hundred survivors on isolated islands off Key West, will be formally declared a federally endangered species on Friday.

An eye gene colors butterfly wings red

Red may mean STOP or I LOVE YOU! A red splash on a toxic butterfly's wing screams DON'T EAT ME! In nature, one toxic butterfly species may mimic the wing pattern of another toxic species in the area. By using the same signal, ...

Butterfly wing patterns emerge from ancient "junk" DNA

Butterfly wing patterns have a basic plan to them, which is manipulated by non-coding regulatory DNA to create the diversity of wings seen in different species, according to new research.

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