D. ROBERTS / SCIENCE PHOTO LIBRARY D. ROBERTS / SCIENCE PHOTO LIBRARY
Rat skeleton. Coloured X-ray of a rat (Rattus sp.) specimen. The rat is held in place by wire supports (blue vertical lines) which are attached to a base (bottom). There are more than 50 species of rat, including the brown rat (Rattus norvegicus) and the black rat (Rattus rattus). These two species live with and near humans, eating their food and spreading disease.
Model release not required. Property release not required.