Crocodile
Crocodiles are ambush predators that live in water and strike at unsuspecting prey using their strong powerful jaws.
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Crocodilia
Family: Crocodylidae
Genus: Crocodylus, Osteolaemus, Mecistops
Species: 18 species
Common Names: Crocodile, Croc
Found mainly in Central America, South America, Africa, South Asia, and Australia, crocodiles live a semiaquatic lifestyle, preferring to live in or near freshwater habitats, although some prefer brackish or saltwater environments.
Their main habitats include rivers, lakes, and other wetland areas. Their diets vary widely but all are predators, preying on fish, reptiles, birds and mammals. They prefer a tropical temperature and are not very tolerant of cold climates.
Most crocodiles are ambush predators that lie in wait with most of their body hidden underwater, striking when an unsuspecting animal comes to the water’s edge to take a drink.
Crocodiles are egg-laying reptiles. Some species construct large mounds to serve as nests, while others lay eggs in hole nests dug out of sand. Mother crocs fiercely protect their nests and babies. Whether a hatchling is male or female will depend on the temperature of the nest or hole. Higher temperatures usually result in males, while cooler temperatures result in females.
The 18 living species of crocodile share some similar characteristics. They typically have large scaly bodies, long tails to help them swim, and strong jaws full of sharp teeth. Their snouts are usually V-shaped, as opposed to the wider U-shaped snouts of alligators and caimans. Crocodile coloration varies, though they are usually a grayish or olive green.
A crocodile’s head is shaped so that its eyes and nostrils can remain above water while the rest of its body is submerged. This helps it sneak up on prey and ambush it without being seen.
The smallest living crocodile is the dwarf crocodile, which can grow to just over six feet. The largest living crocodile is the saltwater crocodile. This crocodile is considered to be among the largest living of all reptiles, able to reach lengths of over 20 feet and a weight of over 3,000 pounds.
The name “crocodile” comes from the Ancient Greek word “krokodilos”. It means lizard, although crocodiles are not closely related to lizards.
Crocodiles have a presence in many religions and mythologies around the world. The Egyptian god Sobek is often shown with a crocodile head, as is the goddess Tawaret. The Hindu god Varuna rides a crocodile, and the Indian state of Goa practices crocodile worship. In the Americas, Aztec mythology includes a giant crocodile named Cipactli.
Larger species of crocodile can be dangerous to humans. In particular, the saltwater crocodile and the Nile crocodile are responsible for most crocodile attacks. Due to their large size and ability to conceal themselves underwater, they pose a threat anywhere that humans may encroach on their habitat. Swimming in lakes or bodies of water in areas where crocodiles are known to live should be avoided, and these areas should be approached with care and caution.
Many crocodile species are considered Least Concern, though some are Vulnerable, and others, such as the Cuban crocodile, Orinoco crocodile, Siamese crocodile, and the Philippine crocodile, are Critically Endangered. Crocodiles face threats from humans encroaching in and destroying their habitat, and also being hunted to near extinction due to the perceived danger they pose to humans.
References
https://en.wikipedia.org/wiki/Crocodile
https://seaworld.org/animals/facts/reptiles/crocodiles-and-alligators/
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