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Rhinoceros Viper
The common name for the rhinoceros viper is the river jack snake. They have distinct horn-like scales on the tip of their nose. The venom from this species is used to treat certain venomous snake bites.
Baja Blue Rock Lizard
The Baja blue rock lizard is diurnal, meaning it’s active during the day. It can often be seen lounging in full sun. They’re usually found in rocky, lightly vegetated areas but also live in forests and mountainous areas.
Red-tailed Ratsnake
These snakes don’t always have a red tail — it may be grey or magenta instead. They’re non-venomous and kill their prey by squeezing tightly.
Amazon Milk Frog
Amazon milk frogs secrete a sticky, white substance through their skin when they feel threatened. The substance is poisonous enough to cause a predator to become sick (but isn’t as poisonous as other frog toxins).
Green Tree Python
These pythons have a prehensile tail that helps them climb and catch prey. They dangle their tail to attract prey before they strike. Pythons may not need to eat for several weeks or months after having a meal.
Green Anaconda
The green anaconda, also known as the giant anaconda, has a very low metabolism (like all snakes). They must rest for several days until a large meal is digested. If a meal is particularly large, anacondas may not need to eat again for several months. The eyes and nostrils on the top of their heads […]
California Sheephead
These fish are sequential hermaphrodites — each individual starts its life as a female and then can change into a male later in life as needed (for example, if the ratio of males to females were to become imbalanced in a local population). Young sheephead also look very different from adults. California sheephead have large, […]
King Cobra
The king cobra is the largest venomous snake in the world. Despite their large size and fearsome reputation, they aren’t aggressive and will avoid confrontation when possible. When in a threat display, king cobras can raise the anterior part of their bodies 3 to 4 feet off the ground and are able to follow an […]
Panther Chameleon
A panther chameleon’s eyes move independently but focus together on prey to provide stereoscopic (also known as binocular) vision with depth perception. Their feet are zygodactyl, like parrots, with two toes pointing forward and two pointing back — making them great climbers. Panther chameleons are able to quickly change colors, but they do this to […]
Pink Sea Starfish
The pink sea starfish is one of the largest and heaviest sea stars in the world, reaching up to 3 feet long. They’re typically pink but sometimes lavender in color, with a soft surface texture. As with many sea stars, it dries out (desiccates) rapidly on exposure to air. Its rays, or arms, are thickest […]
Vermillion Sea Starfish
One of the smallest sea starfish, ranging in size from 3 to 7 inches. They’re relatively fast, moving up to 40 cm/minute. Vermillion sea starfish don’t have many predators, due to their tough outer skin. They can also curve their arms and turn into a ball to protect themselves.
Leather Starfish
Leather starfish are also known as garlic stars because they excrete a garlic-like smell as a defense mechanism. They have sensors at the end of each of their five arms to detect prey – but unlike many other sea stars, leather starfish swallow their prey whole and digest it internally. Photo provided by Shutterstock
Chuckwalla
The chuckwalla belongs to the iguana family of animals. Chuckwallas are petite, averaging just 6.4 inches in length, but adults can reach lengths of over 15 inches. To escape predators, they take shelter in small holes and crevices, inflating its lungs and expanding its skin to wedge itself into place. The colors of a chuckwalla […]
Brazilian Black Tarantula
Like many other tarantulas, the Brazilian black is nocturnal. It leaves its hiding place to hunt and forage for food at dawn or dusk and uses its senses to detect the vibrations of nearby prey. Instead of spinning webs, it burrows tunnels and holes in the ground where it hides. Hunting involves quietly positioning itself […]
Eastern Fox Snake
Eastern fox snakes are often mistaken for rattlesnakes, as they “rattle” their tails when disturbed. When threatened, these non-venomous, docile snakes may also give off a stinky musk from glands near their tail. This musk has an odor like that of the red fox, hence the “fox” in their name. They’re found in every county […]
Green and Black Poison Dart Frog
The green and black dart frog is one of more than 100 species of poison dart frogs. In the wild, their skin oozes some of the most toxic poison in the world. Native tribes of South America extract toxins from these frogs to tip their darts and arrowheads with when hunting. Most frogs lay hundreds of […]
Arapaima
Arapaima, also known as pirarucu, can only stay underwater for 10 to 20 minutes at a time. They tend to stay near the water’s surface before coming up to breathe, using a modified swim bladder that opens into the fish’s mouth and acts as a lung. The noisy, distinctive gulp it makes sounds like a […]
Silver Dollar Fish
These fish are closely related to the pacu and piranha, and they typically live in schools of four or more fish. Silver dollar fish reside in tropical climates, on the sides of weedy rivers.
Silver Arowana
The silver Arowana is a primitive, prehistoric fish that emerged in the the Jurassic Age and has changed little in the last 150 million years. They’re also called “monkey fish” due to their ability to jump out of the water (up to 6 feet!) and capture prey. They have a unique predatory behavior, staying close […]
False Water Cobra
This species is named for its ability to flatten its neck to appear larger, giving the appearance of a cobra. However, unlike a true cobra, the false water cobra doesn’t prop itself up vertically but maintains a horizontal position. They hunt by grabbing and partially coiling their bodies around prey, then swallowing it live.
South American River Turtle
This turtle lives in the Amazon and Orinoco River systems. It’s part of the family “Pelomedusidae,” which contains the side-necked turtles. These turtles have a long neck that can be withdrawn horizontally within the shell, leaving it partly exposed, rather than retracting it in a vertical “S” bend as in most other turtles.
Chinese Alligator
The Chinese alligator is one of the smallest crocodilians and one of just two alligator species in the world (the other being the American alligator). The native name for this species is Yow-Lung or T’o, meaning “dragon,” leading some to believe that the mythical Chinese dragon was, in reality, the Chinese alligator.
Eyelash Viper
The eyelash viper’s most distinguishing feature is the supraciliare, or enlarged scale, above each eye, giving the appearance of “eyelashes.” These snakes are small and light in order to effectively maneuver through shrubs and trees and avoid detection by prey. It moves readily between the forest ground and canopy and is often found in banana […]
Fly River Turtle
Sometimes called the pig-nosed turtle, these reptiles only leave the water to nest. They are a secretive animal, mainly hunting and active nocturnally. Its flipper-like forelimbs make it a powerful swimmer.
Gila Monster
The Gila monster is named after the Gila River in Arizona and is the most venomous lizard native to the U.S. The Gila monster eats large meals infrequently, with a fat reserve stored in its tail, and can consume a meal of one-third of its body weight. They are immune to their own venom — […]
Grand Cayman Blue Iguana
The blue iguana is a “flagship” species — essential for maintaining the delicate balance between climate and vegetation necessary for the survival of the Grand Cayman ecosystem. During mating season, hormones color the males a bright, electric blue and the females a muted powder blue.
Green Tree Monitor
Also known as the emerald monitor, they live in palm stands and rainforests with about 70% relative humidity. The tail of the monitor is prehensile and works like a fifth foot. These reptiles sleep in branches, holding on with one or two claws and their tails wrapped around a branch.
Red-Tailed Boa
Red-tailed boas are ambush hunters; they will squeeze their prey, killing it by shutting down blood supply to vital organs and swallowing it whole. A large meal can sustain them for up to one month. They also have prehensile tails that can grip tree branches.
Timber Rattlesnake
The timber rattlesnake swallows its entire prey whole, then retreats to a sunny basking site in order to raise its body temperature to 80-85°F for proper digestion. Every time the snake sheds its skin, another ring is added to the rattle.