Elaphe obsoleta, commonly known as the black rat snake, is a non-venomous snake native to North America. It is often found in forests, fields, and rocky areas. This snake is known for its ability to climb trees and swim. Its color ranges from black to dark brown, with a lighter belly. It can reach a length of 1.2 to 2.4 meters. It plays a crucial role in controlling rodent populations. Although it may appear intimidating due to its size, it is generally harmless to humans and prefers to flee rather than defend itself.

The Lampropeltis getula, commonly known as the common kingsnake, is a non-venomous snake native to North America. It is renowned for its ability to resist the venom of other snakes, allowing it to hunt and consume them. This snake exhibits a varied coloration, often black with white or yellow bands. It can reach a length of 1.2 to 1.8 meters. The kingsnake is an opportunistic predator that feeds on rodents, birds, lizards, and other snakes. It is generally active at night and prefers habitats such as forests, grasslands, and rocky areas. Although often captured for the pet trade, it remains abundant in the wild.

The Lampropeltis triangulum, commonly known as the milk snake, is a non-venomous snake from the Colubridae family. It is famous for its colorful patterns that mimic those of venomous coral snakes, a classic example of Batesian mimicry. This snake is generally medium-sized, measuring between 60 and 120 cm in length. Its coloration varies depending on the subspecies, but it often features red, black, and white or yellow bands. It inhabits a variety of environments, from forests to grasslands, and primarily feeds on small mammals, birds, and other reptiles. Nocturnal by nature, it is mostly active at night and rests during the day.

The pancake tortoise, or Malacochersus tornieri, is a fascinating species of terrestrial tortoise native to East Africa, primarily in Tanzania and Kenya. It is distinguished by its exceptionally flat and flexible shell, which allows it to slip into rocky crevices to protect itself from predators. This unique adaptation is essential for its survival in the arid and rocky habitats it frequents. Typically measuring between 15 and 18 cm in length, this tortoise has a brownish coloration with irregular patterns that provide excellent camouflage. It is primarily herbivorous, feeding on various succulent plants and dry vegetation. Unfortunately, the pancake tortoise is threatened by habitat destruction and the illegal pet trade, leading to its classification as a vulnerable species by the IUCN.

The red-footed tortoise (Chelonoidis carbonaria) is a medium-sized terrestrial reptile (carapace up to 35 cm) with a dark, rounded shell accented by rust-colored patches on each scute. Native to dry forests, savannas and grasslands in tropical South America, it feeds on fruits, leaves, fungi, and invertebrates, occasionally scavenging carrion. Gregarious by nature, it forms small family groups and communicates via ground vibrations. Breeding occurs during the rainy season (June 1–September 30); females bury 2–15 eggs in shallow burrows. Hatchlings emerge after 117–158 days, typically between October and February.

The loggerhead sea turtle is a large marine turtle in the family Cheloniidae, reaching up to 95 cm in shell length and weighing up to 135 kg. It inhabits temperate and subtropical coastal waters, feeding mainly on crustaceans, molluscs, and jellyfish. During the nesting season, females return to beaches to lay eggs in nests dug in the sand.

The Hermann’s tortoise is a Mediterranean terrestrial tortoise, 15–20 cm long, with a yellowish carapace patterned with black markings. Endemic to the shrublands and garigues of southern Europe, it also inhabits open woodlands and rocky grasslands, feeding on leaves, flowers, and small fruits. During breeding (May–June), males engage in head-bobbing displays and scrape the soil before nesting.

The Trachemys scripta, commonly known as the red-eared slider, is a popular species of aquatic turtle in the pet trade. It is easily recognizable by its distinctive red markings behind the eyes. This turtle is native to the United States but has been introduced to many countries, where it can become invasive. It prefers aquatic habitats such as ponds, lakes, and rivers with abundant vegetation. The red-eared slider is omnivorous, feeding on aquatic plants, insects, and small fish. It is known for its ability to adapt to various environments, contributing to its popularity in captivity. However, it requires proper care to thrive.

The desert tortoise, Gopherus agassizii, is an iconic species of the arid regions of the southwestern United States and northern Mexico. Well adapted to its dry environment, it spends up to 95% of its time in burrows to protect itself from extreme heat and conserve moisture. Its shell, which can reach 15 inches in length, is brownish, allowing it to blend into the desert landscape. As a herbivore, it primarily feeds on grasses, wildflowers, and cacti. The desert tortoise plays a crucial role in its ecosystem, with its burrows providing shelter for many other species. Unfortunately, it is threatened by habitat loss, disease, and vehicle collisions.

The Galápagos tortoise is an iconic species of the Galápagos Islands, famous for its massive size, reaching sometimes more than 1.5 meters in length. These tortoises primarily live on the volcanic islands of the archipelago, feeding on vegetation, cactus, and fallen fruits. It is a solitary species that can live for over 100 years. While not immediately endangered, it remains threatened by the introduction of non-native species and the destruction of its natural habitat.

The Aldabra giant tortoise, scientifically known as Aldabrachelys gigantea, is one of the largest land tortoises in the world. Native to the Aldabra Atoll in the Seychelles, it can weigh up to 250 kg and measure over a meter in length. Its domed shell and sturdy legs allow it to move slowly but steadily across its island habitat. As a herbivore, it primarily feeds on grasses, leaves, and fruits. This tortoise is a symbol of longevity, often living over 100 years. Although protected, it remains vulnerable to threats such as habitat loss and climate change.

The Greek tortoise is a terrestrial species of tortoise native to the Mediterranean regions, particularly Greece, Turkey, and neighboring countries. It is easily recognized by its light brown to yellow shell, often marked with black patterns. The Greek tortoise is herbivorous, feeding primarily on plants, flowers, and vegetables. It lives in dry habitats such as rocky hills and meadows, and is well adapted to a hot and dry climate. This reptile is slow and discreet, spending much of its life hidden under bushes or rocks.

The Hawksbill sea turtle is a widely recognized species of sea turtle, known for its shell's overlapping, tile-like scales, from which it gets its name. It is primarily found in the warm tropical and subtropical waters of the Atlantic, Indian, and Pacific Oceans. This marine reptile is primarily carnivorous, feeding on jellyfish, fish, and crustaceans. The Hawksbill is particularly vulnerable due to habitat loss from pollution and illegal collection of its shell. It is also threatened by illegal fishing and loss of nesting beaches.

The Leatherback Turtle is the largest of all sea turtles and one of the largest reptiles in the world. It typically measures between 2 and 2.5 meters in length, with a weight ranging from 250 to 700 kg, although some individuals can reach up to 900 kg. Its shell is usually dark in color, sometimes tinged with gray or brown, and is covered with small, tile-like plates. The Leatherback Turtle is an excellent swimmer, capable of covering long distances across oceans. It primarily feeds on jellyfish, which it catches while swimming in deep waters. Despite its impressive size, the Leatherback Turtle is critically endangered due to plastic pollution, the loss of its nesting habitats, and poaching. Its population is declining, and it is protected in many countries.

The Olive Ridley Turtle is a species of sea turtle found primarily in the warm waters of the Atlantic, Pacific, and Indian Oceans, particularly along the coasts of Central America, Mexico, India, and Southeast Asia. It typically measures between 60 and 70 cm in length and weighs between 35 and 50 kg. Its shell is olive in color, which gives it its name, and it has flippers adapted for swimming. The Olive Ridley Turtle is primarily carnivorous, feeding on jellyfish, fish, and crustaceans. It is also known for its mass nesting sites, particularly on the Pacific beaches of Costa Rica. Unfortunately, the Olive Ridley Turtle is critically endangered due to habitat loss, poaching, ocean pollution, and accidental capture in fishing nets.

The painted turtle, Chrysemys picta, is a widely distributed aquatic species in North America. It is characterized by its smooth, flat shell adorned with red, yellow, and black patterns. The edges of its shell often feature red lines, while its skin displays yellow and red stripes. Typically measuring between 10 and 25 cm, it is well adapted to aquatic environments such as ponds, lakes, and marshes. It primarily feeds on aquatic plants, insects, small fish, and crustaceans. The painted turtle is known for its sunbathing behavior, often seen basking on rocks or logs to regulate its body temperature.

The Green Sea Turtle is a large marine turtle found primarily in the warm and tropical waters worldwide, notably in the Caribbean, Pacific, Indian Ocean, and along the coasts of many tropical islands. It can reach a length of 1 to 1.5 meters and weigh between 150 and 200 kg, although some individuals can be even heavier. Its name comes from the green color of its body fat. The Green Sea Turtle primarily feeds on seagrasses and aquatic plants, which distinguishes it from other carnivorous sea turtles. It is also an excellent swimmer and can travel long distances between its breeding sites and feeding grounds. While its population has declined due to habitat loss, poaching, and ocean pollution, it benefits from numerous conservation efforts and is protected in many countries.

The Eastern box turtle is a small terrestrial turtle (10–15 cm shell length) with a high-domed carapace marked by radiating yellow and orange patterns on an olive-brown background. Endemic to eastern North America, it inhabits moist forests, meadows, and wetlands, feeding on invertebrates, berries, and fungi. During the breeding season (April–October), females dig shallow nests to lay 3–8 eggs.

The Sphenodon punctatus, commonly known as the tuatara, is a reptile endemic to New Zealand. Often considered a living fossil, it belongs to an order of reptiles that thrived around 200 million years ago. The tuatara is nocturnal, primarily active at night, and feeds on insects, spiders, small birds, and eggs. It is recognizable by its spiny crest along the back, more pronounced in males. Tuataras have an exceptional lifespan, with some living over 100 years. They are oviparous, and females lay eggs that take between 12 and 15 months to hatch. Although protected, tuataras are threatened by habitat loss and introduced predators.

The Nile Monitor is a large reptile species native to Africa, particularly found in sub-Saharan regions. It is easily recognized by its impressive size, long and powerful body, and smooth scales. This monitor is semi-aquatic and is commonly found near rivers, lakes, and swamps, where it feeds on fish, amphibians, birds, and even small mammals. Highly agile, it is also capable of swimming and climbing with ease. The Nile Monitor is known for its territorial nature and sometimes aggressive behaviors, especially during the breeding season.

The horned viper, scientifically known as Vipera ammodytes, is a venomous snake found primarily in the Balkans and parts of Southeast Europe. It is distinguished by its triangular head and the unique horn-like structure on its snout. Its coloration ranges from gray to brown, with zigzag patterns along its back, providing excellent camouflage in its natural rocky and dry habitats. This species is typically found at altitudes from 0 to 2000 meters. Although its venom can be dangerous to humans, bites are rare and usually occur only when the snake feels threatened.

The Asp Viper is a venomous snake species found primarily in rocky areas, meadows, and forests of Southern Europe, notably in France, Spain, Italy, and Switzerland. It typically measures between 60 and 80 cm in length, although some individuals can reach up to 1 meter. Its color ranges from gray to brown, with a zigzag pattern on its back and a distinct triangular head. The Asp Viper primarily feeds on small mammals, lizards, and birds. While venomous, its poison is generally harmless to humans, though bites do require medical attention. It is a protected species in many regions but is threatened by habitat loss and human persecution.

The Gaboon viper, Bitis gabonica, is a venomous snake known for its impressive size and striking appearance. It can grow up to two meters long and is renowned for its intricate color patterns that allow it to blend seamlessly into the leaf litter of its forest habitat. Its fangs are among the longest of any venomous snake, and its venom can be deadly to humans. Primarily nocturnal, it preys on small mammals, birds, and occasionally reptiles. Although feared, it is generally not aggressive and prefers to avoid confrontation. Its presence is an indicator of healthy African forest ecosystems.

The Common European Adder is a medium-sized venomous snake, typically measuring between 60 and 90 cm in length. It exhibits variable coloration, ranging from brown to gray, with a darker zigzag dorsal stripe. Melanistic individuals are entirely black. This species is widely distributed across Europe and Asia, from the United Kingdom to the Pacific coast of Russia, and up to the Arctic Circle. It inhabits various environments, including forests, heathlands, meadows, and wetlands. The adder is diurnal and feeds primarily on small mammals, amphibians, lizards, and birds. It is ovoviviparous, giving birth to 3 to 20 live young in late summer or early autumn. Although its venom can be dangerous, bites are rare and seldom fatal. Listed as Least Concern by the IUCN, it is protected in several European countries.