Photo of the Day 25

Caterpillar on Fern, Hawaii, 2003

Photograph by Darlyne A. Murawski

A carnivorous Eupithecia caterpillar prowls a fern leaf in Oahu, Hawaii, in search of prey. Such predatory caterpillars are rare and possess extraordinary adaptations, such as armor shields, seductive smells, or artful camouflage, to enhance their lethality.

(Text adapted from an photo shot on assignment for, but not published in, "Killer Caterpillars: Built to Eat Flesh," June 2003, National Geographic magazine)