"They get confused, for lack of a better term." Scientist issues warning after observing concerning change in behavior of US ...

The monarch butterfly has long faced threats that have led to dwindling populations. However, a new study aimed at pinpointing one of the "whys" behind this issue suggested that warmer temperatures ...

Every fall, eastern monarch butterflies start an epic expedition, flying up to 3,000 miles south to the mountains of Mexico. They will spend the winter in suspended animation and six months later ...

The Atlas blue butterfly, with a record-breaking 229 pairs of chromosomes, is helping scientists unravel mysteries of evolution, adaptation, and even human cancer. The Atlas blue butterfly, ...

Heliconius butterflies have been found to have low rates of dispersal in previous mark-recapture studies, and this lack of movement is due home-range behavior. An experiment on Heliconius erato was ...

A study shows that contests of butterflies occur only as erroneous courtships between sexually active males that are unable to distinguish the sex of the other butterflies. A study shows that contests ...

Chaetodontids and acanthurids showed behavior that suggested the existence of dominance systems. There was no sign that the poster colors of chaetodontids serve as territorial signals, and there were ...