What is a group of butterflies called? Kaleidoscope . Also known as a swarm, rabble or flutter. This afternoon, my backyard looked like a butterfly-congregation, a lepidopterical interpretation of the Pemberton paragliding launch. There must have been a dozen butterflies swirling around. Swarming, apparently, is the technical word.  My 2 year old wanted to touch … Continue reading Sighted: A flutter of butterflies