We explain bilateral gynandromorphism - seen in butterflies, birds, and crustaceans. Half the animal is female, and the other half is male.

One of the most popular and recognizable insects is at risk of extinction, according to a global organization focused on conservation and sustainability. The International Union for Conservation of ...

Close your eyes for a moment and imagine a butterfly. My money says the fluttering insect you’re envisioning has black-veined, reddish-orange wings outlined with white specks — the iconic attributes ...

If you sat down to make a list of animals that can bite, which ones would you include? Your list would likely contain dogs, cats, foxes, bears, and other mammals. If you included insects on your list, ...

Here's a dangerous, crazy thought from an otherwise sober (and very eminent) biologist, Bernd Heinrich. He's thinking about moths and butterflies, and how they radically change shape as they grow, ...

Moths and butterflies radically change shape as they grow, from little wormy caterpillar critters to airborne beauties. Why are they born this... Updated Aug. 2, 2012: We have added an update to this ...