Philippe Clement / Two Common wall lizards (Podarcis muralis) basking on an old log, La Brenne, France, April.

Brian Bevan / Male Ornate mastigurex (Uromastyx ornatus) basking on a rock, UK. Captive, native to the Middle East.

Manuel Gracia / Ocellated lizard (Timon lepidus) sitting on a rock and basking in the sun. The lizard then jumps off the rock and leaves the frame. Sevilla, Sierra Morena Region, Spain.

Manuel Gracia / Ocellated lizard (Timon lepidus) sitting on a rock and basking in the sun, Sevilla, Sierra Morena, Spain.

Lewis Jefferies / Spiny tailed iguana (Ctenosaura similis) close up of foot and tail, Mauel Antonio National Park, Costa Rica, February.

Lewis Jefferies / Spiny tailed iguana (Ctenosaura similis) close up of head, Manuel Antiono National Park, Costa Rica, February.

Lewis Jefferies / Spiny tailed iguana (Ctenosaura similis) basking on a rock by the ocean, Manuel Antiono National Park, Costa Rica, February.

Lewis Jefferies / Spiny tailed iguana (Ctenosaura similis) close up of head while basking, Merino Ballena National Park, Costa Rica, February.

Lewis Jefferies / Spiny tailed iguana (Ctenosaura similis) basking, then joined by male displaying by bobbing head, Merino Ballena National Park, Costa Rica, February.

Morley Read / Yellow-spotted Amazon River Turtles (Podocnemis unifilis) pair basking on a log while butterflies fly around them seeking salt secreted by the turtles nostrils, one turtle dives into the river, Orella...

Morley Read / Yellow-spotted Amazon River Turtles (Podocnemis unifilis) pair basking on log in river, one yawns and the other dives into the water, Rio Tiputini, Orellana province, Ecuador.

Morley Read / Yellow-spotted Amazon River Turtle (Podocnemis unifilis) basking on log in river, while being bothered by a butterfly in search of salt secreted by the turtles nostrils, Rio Tiputini, Orellana provinc...