A Sakishima habu (Protobothrops elegans) eats a tree lizard (Japalura polygonata) on Iriomote Island in southwestern Japan. STEVEN AIRD, OKINAWA INSTITUTE OF SCIENCE AND TECHNOLOGY See S.A. Aird et al., “Population genomic analysis of a pitviper reveals microevolutionary forces underlying venom chemistry,” Genome Biology and Evolution, doi:10.1093/gbe/evx199, 2017.
Image of the Day: Overkill
The Sakishima habu (pitviper; Protobothrops elegans) can compensate for inept traits in the chemical composition of its venom by overdosing its prey.

