The American alligator, also known as the Mississippi crocodile and the Mihe crocodile, is the largest crocodile species in the Western Hemisphere and the ninth largest crocodile. It mainly inhabits fresh water, marshes, ponds, lakes, rivers, streams and wetlands, and even canals and ditches. It is usually a burrowing cave, which can be a hole or tunnel in a riverbank or a crocodile hole at the bottom of a pond. Young crocodiles feed on invertebrates, frogs and fish, while as adults they eat turtles, waterbirds and mammals. In order to catch a bird on the water for food, it sometimes suddenly stands up with its tail supporting its body.

The Henghe crocodile is a reptile belonging to the family Alligatoridae in the order Crocodiles, also known as the fish eating crocodile or the long snouted crocodile. The back is dark olive brown, and the belly is light in color. Kiss slender; There are 27-29 teeth on each side of the upper jaw and 25-26 teeth on each side of the lower jaw, with the same size of teeth; The body is covered with scales, and there is soft skin between each piece, which is easy to bend and stretch; The scales in the middle of the spine are angular and extend to the tail end; Fully webbed between toes. The juvenile is pale in color and has dark markings on it.

The Henghe crocodile is a reptile belonging to the family Alligatoridae in the order Crocodiles, also known as the fish eating crocodile or the long snouted crocodile. The back is dark olive brown, and the belly is light in color. Kiss slender; There are 27-29 teeth on each side of the upper jaw and 25-26 teeth on each side of the lower jaw, with the same size of teeth; The body is covered with scales, and there is soft skin between each piece, which is easy to bend and stretch; The scales in the middle of the spine are angular and extend to the tail end; Fully webbed between toes. The juvenile is pale in color and has dark markings on it.

The dwarf crocodile is the smallest crocodile in the world. They are mainly distributed in West and Central Africa, and due to congenital factors, their body proportions are severely imbalanced. Dwarf crocodiles live in rivers and swamps, and they often climb trees to bask in the sun. The dwarf crocodile has a very small body shape, and the length of an adult dwarf crocodile is only about one meter, which is one-fifth of other adult crocodiles. It is simply a miniature version of a crocodile, so it is named the dwarf crocodile.

It is an ancient and powerful reptile belonging to the crocodile order, distributed in tropical and subtropical regions around the world. It is one of the oldest surviving reptiles with strong adaptability, able to survive in both freshwater and saltwater environments. The body structure is adapted to hunting and diving, with strong jaws and sharp teeth that can easily capture and tear prey. The skin is thick and covered with bony scales, providing excellent protection. The eyes, ears, and nostrils are located at the top of the head, allowing them to observe and breathe underwater. He is an opportunist with a wide range of diets, including fish, birds, mammals, and other reptiles.

It is an ancient and powerful reptile belonging to the crocodile order. Known for its powerful jaw force and unique lifestyle habits. Usually living in tropical and subtropical waters such as rivers, swamps, and lakes. It is a top predator that feeds on fish, birds, mammals, and even other reptiles. The body structure is adapted to aquatic life, with a streamlined body and strong limbs that can move quickly in water. The skin is covered with hard scales that not only provide protection but also help regulate body temperature. The eyes, ears, and nostrils are located at the top of the head, allowing them to breathe underwater and observe their surroundings.

Crocodiles are reptiles belonging to the Crocodylidae and Alligatoridae families, with a total of 8 genera and 23 species. Crocodiles have a longer torso; Muscular development; Crocodiles are mostly distributed in tropical regions of Africa, Asia, North and South America, and Australia, with only Yangtze alligators and American alligators living in temperate regions. Crocodiles inhabit areas such as lakes, swamps, and shallow waters. Living together in common groups; Enjoy a warm environment. Crocodiles mainly prey on vertebrates, as well as mollusks and crustaceans. Crocodiles, as one of the oldest species on Earth to date, retain many features of early dinosaur reptiles and are also known as "living fossils".

Crocodiles are reptiles of the Crocodylidae and Alligatoridae families, belonging to 8 genera and 23 species. Crocodiles have a longer torso; Muscular development; Flat head, skin tightly attached to the skull, strong skull connection, unable to move; The teeth are cone-shaped and grow in the alveolar cavity, with more than 25 teeth on each side; The tongue is short and flat, unable to extend outward; Small and slightly protruding eyes; The tail is thick and slightly flattened; Short and thick limbs; The external nostril is located on the back of the snout and has a valve on top; There are scales like armor. As one of the oldest species on Earth to date, it retains many features of early dinosaur reptiles and is also known as "living fossils".

The American alligator, also known as the Mississippi River crocodile or the Mississippi River crocodile, is a large species of crocodile in the Western Hemisphere and the ninth largest member of the crocodile family. Male crocodiles can reach a body length of over 4 meters, while females are less than 3 meters. Juvenile crocodiles are black in color, with irregular yellow horizontal stripes on their bodies. As adults, these yellow stripes will gradually be obscured by melanin and algae. The mouth and nose of American alligators are round and wide, with 17-22 teeth on each side of the upper jaw and the same number of teeth on the lower jaw. There are a total of 18 horizontal rows of keratinized scales on the back of the body, of which 8 rows are larger; There are incomplete fins between the toes. The American alligator is mainly distributed in the southeastern United States and inhabits freshwater wetlands.

The fish eating crocodile, also known as the Indian crocodile, is a large reptile similar to crocodiles. Indian crocodiles are commonly found along rivers in Pakistan, India, Nepal, and Bangladesh. Male Indian crocodiles can reach a length of 5.5 meters, while female Indian crocodiles can reach a length of 4 meters. During mating season, male crocodiles use the raised part of their nose to make a peculiar sound, attracting female crocodiles to their side. After mating, female crocodiles will lay 30 to 40 crocodile eggs in the bottle shaped hole. The appearance is very similar to that of a regular crocodile. But unlike other crocodiles, the fish eating crocodile is the longest snout crocodile.

Nile crocodile is a large crocodile belonging to the family Crocodylidae in the order Crocodiles. Nile crocodiles have a large body size, ranging from olive green to coffee colored, with black spots and a mesh pattern; The fourth tooth of the lower jaw protrudes outward from the depression of the upper jaw; There are 5 anterior teeth, 13-14 maxillary teeth, and 14-5 mandibular teeth, for a total of 64-68 teeth; The tail is strong and powerful. The adult Nile crocodile weighs up to one ton. The juvenile Nile crocodile is dark yellow brown in color, with obvious horizontal stripes on its body and tail. As an adult, the color of the horizontal stripes becomes lighter.

Nile crocodile, also known as African crocodile, is a large crocodile in the crocodile family of the crocodile order. The adult Nile crocodile weighs up to one ton. The juvenile Nile crocodile is dark yellow brown in color, with obvious horizontal stripes on its body and tail. As an adult, the color of the horizontal stripes becomes lighter. Nile crocodiles are mainly distributed in the Nile River Basin and southeastern regions of Africa, and are also found in Madagascar. They often inhabit freshwater bodies such as lakes, rivers, and swamps. The Nile crocodile is the largest crocodile in Africa and the most studied crocodile among all crocodile species by humans.