A green anaconda coiled up on a branch in the Amazon River Basin. These deadly predators can weigh up to 250 kilograms.
Source: National Geographic
A chameleon catching its prey in Madagascar. These little lizards can camouflage themselves to their surroundings, making them stealthy hunters.
Iguanas can grow to be over 6 feet long. But despite their length, they manage to blend in well with their surroundings, like this iguana hiding in the trees.
Source: National Geographic
Namibian rock agamas come in bright colors and enjoy hanging out in groups of 10 when they bask in the sun.
Source: Namibia.org
The frilled dragon, native to New Guinea and Australia, threatens predators by extending the flap of skin around its neck, or "frills."
The thorny devil, native to Australia, is named after a god of human sacrifice in John Milton's poem "Paradise Lost."
Source: Wired
The Mojave rattlesnake uses its rattle to alert predators to its presence. It can release about 130 different toxins during a bite.
Source: Rattlesnake Solutions
A gharial at water's edge in India. The world's gharial population has decreased nearly 98% since the mid-1900s due to hunting for traditional medicine and changes to its environment.
Source: National Geographic
Despite its devilish appearance, the Saharan horned viper venom is rarely fatal to humans.
Source: Encyclopedia Britannica
