A bright red splash on a butterfly’s wing is more than a pretty pattern. It is a warning label, honed by millions of years of natural selection, that tells birds and lizards: eating me will make you ...

Now a new study published in the journal PLOS Biology examines this question further by investigating the genomes of species ...

Butterflies and a moth species reused the same two genes, ivory and optix, to create similar warning colors over millions of years.

The colors and patterns of black swallowtails reveal the diversity of evolutionary dynamics acting on the sexes and the various life-history stages Six species of swallowtail butterflies occur locally ...