Black Iguana (Ctenosaura similis). Kabah, Yucatan, Mexico
Posted by razzbuffnik on May 10, 2007
These metre (about 3ft) long monsters can be seen basking in the sun, amongst the rubble, at many of the old Mayan ruins of the Yucatan.

You can approach quite close to them and they will keep very still. Get too close and they burst into life with surprising speed as they make their escape. When they panic the iguanas will crash through anything in their way and you can hear them as they smash through the undergrowth long after you’ve lost sight of them.