A profile on Marco Island's invasive iguana hunter John Johnson got people talking on social media. What they were saying.

Read More: Scuba-Diving Lizards Create an Air Bubble Over Their Heads to Swim Underwater According to the study, it would ...

Surviving almost entirely on algae, these lizards, some of which grow longer than four feet, evolved flat tails for swimming and glands ... marine iguana populations are vulnerable.

A Fijian crested iguana (Brachylophus vitiensis) resting on a coconut palm on the island of Fiji in the South Pacific. The four species of iguanas that inhabit Fiji and Tonga today are descended from ...