In a woodland of southern Africa, a clawed creature with “large” black eyes tucked itself under a rock and waited. Something ...

If you see a large, intimidating gray and yellow lizard, it’s probably a Nile monitor. They eat anything from bugs to iguanas ...

Some vague stripes run down ... of darker brown and creamy yellow blotches. Its stomach is paler. A close-up photo shows a Nucras margaritae, or Margarita’s scrub lizard. Photo from M.