Ectotherm Collection

A basking American alligator in south Florida

Christmas Island red crabs, Gecarcoidea natalis, leaving their burrows during rainy
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Two Ball Python Snakes Intertwined

Shingleback Skink, Tiliqua rugosa, threatening with open mouth and blue tongue, western Australia

The water moccasin (Agkistrodon piscivorus) is a venomous pit viper species found in the eastern US. The moccasin is also known as the cotton mouth

Cephalaspis lyelli jawless fish from the Early Devonian of Scotland

Diplocaulus amphibian from the prehistoric era
Diplocaulus is an extinct amphibian from the Cambrian to the Permian Period that lived in North America

Diplocaulus is an extinct lepospondyl from the Paleozoic Era
Diplocaulus is an extinct amphibious lepospondyl from the Late Permian of Texas

The red rat snake (Elaphe guttata guttata) is one of the more beautiful snakes found in the United States. They dine almost exclusively on rats and mice, though they will occasionally eat birds

Florida Kingsnake (Lampropeltis getula floridana) is a non-venomous snake that preys on other snakes, including venomous rattlesnakes

The Solomon Island skink, Corucia zebrata, is the largest of all skinks, and is the only skink with a prehensile tail and shows unusual parental care to its large young

Male sand lizard (Lacerta agilis) basking on grass in late afternoon sunshine. Photographed in April, in Dorset, UK

Male common European adder (Vipera berus) basking in sunshine. Photographed in April, in Dorset, UK

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Ectotherms, also known as cold-blooded animals, rely on external sources of heat to regulate their body temperature. From the Christmas Island red crabs emerging from their burrows during rainy seasons to the mesmerizing sight of two ball python snakes intertwined, these creatures showcase the fascinating world of ectotherms. In Western Australia, the shingleback skink displays its dominance with an open mouth and a vibrant blue tongue. This unique defense mechanism warns potential predators to think twice before approaching. Meanwhile, in North America's wetlands, the water moccasin slithers stealthily through the waters. As a venomous pit viper species, it commands respect and caution from those who encounter it. Traveling back in time to ancient Scotland reveals Cephalaspis lyelli - a jawless fish that thrived during the Early Devonian period. Its primitive features remind us of how life has evolved over millions of years. Diplocaulus takes us even further into prehistoric times as an extinct lepospondyl amphibian from the Paleozoic Era. With its distinctive boomerang-shaped head crest, this creature surely left an impression on its surroundings. Returning to modern-day reptiles brings us face-to-face with the stunning red rat snake. Elaphe guttata guttata showcases nature's artistry with its intricate patterns and vibrant colors. Meanwhile, Florida Kingsnake roams nonchalantly through its habitat in search of prey without posing any threat due to being non-venomous. These snakes play a vital role in balancing ecosystems by controlling populations of small mammals and other reptiles. From rainforests to deserts and oceans alike, ectotherms thrive across diverse habitats worldwide. Their ability to adapt and survive within fluctuating temperatures is truly remarkable – reminding us that every corner of our planet holds incredible wonders waiting to be discovered.