After long pondering why two male butterflies would just keep chasing each other in circles but not attack each other, Takeuchi concluded that the butterfly that happened to be on the scene first ...

The natural world is replete with hermaphrodites, animals that may outwardly appear male or female but have the reproductive organs of both. Their less common cousins are gynandromorphs ...

After mating with a male butterfly, a sexually mature female butterfly lays her eggs on the leaves of plants The eggs enter a growth phase until they are ready to hatch as caterpillars Each ...

Learn to identify a great spangled fritillary. Look for glints of silver on large orange wings to identify these butterflies ...

This suggests that male Heliconius cydno butterflies find ... developmental and neural changes underlying the evolution of butterfly mate preference, PLOS Biology (2025). DOI: 10.1371/journal.pbio.