These colors don’t run

Chameleons show predator-specific color changes

A dwarf chameleon doesn’t just change color. It changes the way it changes color — depending on whom it’s hiding from.

I’M A TWIG A stunt-double species of dwarf chameleon stands in for a critically endangered species to demonstrate a research procedure. Showing typical antipredator behavior, the chameleon has flipped to the underside of a twig and turned bark-grey in response to a stuffed fiscal shrike.