An international team of scientists working with Heliconius butterflies in Panama was faced with a mystery: how do pairs of unrelated butterflies from Peru to Costa Rica evolve nearly the same ...

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 ...

In December of 2025, a Natural History Museum discovery write-up reported that researchers finally untangled a long-running ...

A new study by researchers at the University of Chicago and the City College of New York has identified a unique, genetic “mimicry switch” that determines whether or not male and female Elymnias ...