They are found in rivers, swamps and mangrove forests in coastal areas. Saltwater Crocodiles will move around over the year.
In the dry season, they will move closer to the coast. Being a territorial species, larger male Saltwater Crocodiles will drive smaller males away from the best areas. See how the crocodile approaches this food.
10 Interesting Facts You Didnt Know About Crocodiles
It is virtually silent as it moves through the water. The Saltwater Crocodile is an ambush hunter. It remains hidden under the water until its victim is very close. In fact, Saltwater Crocodiles have the strongest bite force of any animal alive today.
Smaller animals are swallowed whole. Larger animals are dragged under the water. Saltwater Crocodiles have a very varied diet. Pretty much any animal that ventures into Saltwater Crocodile territory is potential prey. Saltwater Crocodiles will eat crustaceans, fish, mammals, birds and reptiles — including other crocodiles. Their sex is determined by temperature. The temperature at which the eggs develop determines their sex. Intermediate temperatures produce both sexes. Alligators are some of the most vocal reptiles. Alligators have a variety of different calls to declare territory, signal distress, threaten competitors, and find mates.
Although they have no vocal cords, alligators bellow loudly by sucking air into their lungs and blowing it out in intermittent roars. In addition to bellowing, alligators can growl, hiss, and make a cough-like sound called a chumpf.
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Listen to some alligator hisses and bellows here. Alligator courtship is sophisticated. At the start of the spring breeding season, males bellow to attract females. The bellows have an infrasonic component that can cause the surface of the water around the male to ripple and dance. Other courtship rituals include head-slapping on the water's surface, snout and back rubbing, and blowing bubbles. American Alligator Alligator mississippiensis , Arkive. Accessed February 10, at www. American Alligator Alligator mississippiensis , Encyclopedia of Life.
Accessed February 10, at eol. Dinets, V.
Crocodiles: Facts & Pictures
On terrestrial hunting in crocodilians. Herpetological Bulletin 15— Crocodilians use tools for hunting. Ethology, Ecology and Evolution 1. Hunt, R. Observations on the maternal behavior of the American alligator, Alligator mississippiensis.
Journal of Herpetology 16 3 : — Joanen, T. Temperature of egg incubation determines sex in Alligator mississippiensis.
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Nature : — Their bodies are also very streamlined, which means that they can slide quickly through the water to catch their prey. The size of a crocodile depends on its species, but some can grow to be over 23 feet long and weigh over 2, pounds! Crocodiles are large reptiles that need to live in areas with lots of water. Since they are cold-blooded, their body temperature changes to match the temperature around them, so they must live in areas that are usually warm or hot most of the time. Crocodiles mostly eat food that is found in tropical climates, like fish, frogs, birds, reptiles, and other small animals.
Some kinds of crocodiles are able to hunt larger types of animals such as deer, wild boar, and even buffalo. Even though crocodiles seem like they would be slow, they can move really fast on land and in the water. Crocodiles are called ambush predators, because they wait until their prey comes close to them and then they rush out and attack. They also have very good night vision and a strong sense of smell, so they can see animals easily in the dark and smell them from miles away.
Crocodiles have an extremely acidic stomach, which helps them to easily digest bones, hooves, and horns. Surprisingly, crocodiles are very social animals that prefer to live near each other. They are also very vocal, and they have unique sounds that mean different things.