Crocodiles are one of the most terrible and largest aquatic reptiles. They are found mainly in tropical areas of Africa, Asia, America and Australia.
Here we’re are going to look at 17 astonishing facts about Crocodiles that you have to know.
- There are 14 known species of crocodiles have been found on the earth.
- Crocodiles has been in existence for more than 250 million years ago as well as when the dinosaur was present.
- Crocodiles (and all crocodilians, including alligators) are more closely related to birds and dinosaurs.
- The dwarf crocodile (Osteolaemus tetraspis) is the smallest crocodile in the world, also known as the African dwarf crocodile, broad-snouted crocodile or bony crocodile, which lives in the tropical forests of Western Africa. It is about 1.5 meters (4.9 feet), although the maximum recorded length for this species is 1.9 meters (6.2 feet) and weighs around 18kg – 32kg (40lbs – 70lbs).
- The saltwater crocodile (Crocodylus porosus) is known to be largest of all crocodilians, which measures about 5 m (16 ft) in length and can weigh up to 1,360 kg (3,000 lb). They also known as the estuarine crocodile, Indo-Pacific crocodile, marine crocodile, sea crocodile or even saltie and are found in eastern India, Southeast Asia, and northern Australia. Moreover, they are excellent swimmers and are often seen away in the sea.
- Their bodies are very streamlined which helps them to swim swiftly and also tucks their feet to the side while swimming, thereby reducing the water resistance.
- Crocodiles have webbed feet, although they are not used to propel them through water, as it allows them to make fast turns and sudden moves in the water or initiate swimming.
- They are capable to swim at a speed of 25 mph with the help of their powerful tail and can hold their breath for a maximum of about two hours underwater as they breathe air like us.
- The eyes, ears and nose are located at the top of the head, so that the crocodile is almost completely submerged, yet able to hear, see and breathe.
- Crocodiles can see underwater due to a nictitating membrane that closes over their eyes to protect, just like swimming goggles.
- Crocodiles have very good night vision, and are mostly nocturnal hunters. When they peek out of the water in the night, their eyes are seen as red dots.
- The sense of smell of crocodiles also develops very well, which helps them in detecting prey or animal bodies that are either on the ground or in water, from far away.
- Crocodiles are called ambush predators, that means they wait till their prey comes close to them and then they rushing out to attack.
- They have to be cool off by releasing heat through their mouths open as they have no sweat glands. Sometimes, they also sleep with their mouths open.
- Crocodiles are mostly carnivorous and eat animals like fish, amphibians, crustaceans, molluscs, birds, reptiles, and mammals and sometimes cannibalize smaller crocodiles.
- On average, the lifespan of a crocodile is about 30-40 years whereas in the case of larger species are 60-70 years. But, some individuals are capable to live around 100 years.
- Crocodiles are cold-blooded animals, so they depends on the temperature of the sun and water to warm up. They also have a very slow metabolism, which helps them to survive long time without food.