Marty’s photo of the day #4999: San Cristobal lava lizard males defend their territories by performing rapid push-ups to warn their rivals. If their displays fail, they will engage in physical combat.
And despite what Annie Savoy said to Nuke Laloosh in the movie Bull Durham, the lava lizards of the Galapagos Islands cannot breathe through their eyelids.
(Photographed last month in the Galapagos Islands.)