Striped Forest Whiptail

The Striped Forest Whiptail lizard (Kentropyx calcarata) is common in the rain forests of Guyana. This lizard lives on the forest floor; low to the ground with stout legs, it has a compressed body and a flat, blunt head.  It uses its short legs, long toes and sharp claws to produce short, very quick bursts in pursuit of insect prey. Its head serves almost like a shovel, allowing this lizard to dive to safety beneath leaf litter. It’s mostly brown flanks with black striped, checkered or diamond shaped pattern allows it to blend in with the leaves and woody debris.

But it is the brilliant red and green colouration that clearly sets this lizard apart. The dark20120812iworkrama colour helps with the absorption of heat; all ectotherms (or reptiles such as lizards), depend on the warmth of the sun to maintain their internal body temperature and sun bathing is necessary for survival. Changing colours allows for more efficient absorption of warmth from the sun.

Striped Forest Whiptail lizard (Photo by Matt Hallett)
Striped Forest Whiptail lizard (Photo by Matt Hallett)

Another reason why lizards change colours is to show aggression, especially when establishing territories for mating. Bright colours indicate danger in the animal kingdom and putting on a show of brilliant colour like this may help this species avoid a direct fight which could result in injury or worse.

“Iwokrama’s mission is to develop strategies for conservation and sustainable development of the tropical rain forest system for local people in Guyana and the world at large. Come visit us in the Rain Forest or at our office, 77 High Street, Kingston, Georgetown. We are online at Also check for updates on our Facebook Page-!/IwokramaInternationalCentre”



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A juvenile green Iguana perched above a muddy creek. (Photo by Andrew Snyder) Photographer, Andrew Snyder, caught this young Iguana sunning on the bank of the Burro Burro River.

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