Manatees :: essays research papers

Manatee, common get wind for each of common chord species of a large water mammal, popularly called a sea alarm because it grazes on marine grasses and other water plants. The amazonian manatee ranges throughout the Amazon River basin in South America the westernmost African manatee occurs in rivers and coastal amniotic fluid of tropical western Africa and the West Indian, or Caribbean, manatee is found in rivers and coastal waters from the southeastern united States and the Gulf of Mexico to the Caribbean Sea and northeastern Brazil. An adult manatee has a move body, commonly colored light to dark time-worn or black, that tapers to a horizontally flattened, rounded tail. It is 2.5 to 4.5 m (8 to 14 ft) long, depending on the species, and weighs 200 to 600 kg (440 to 1300 lb). The small head includes a straight neb and a fling upper lip with bristly hairs. Its nostrils, set on the upper spring up of the snout, argon closed tightly by valves when the carnal is under wa ter. The paddlelike forelimbs are set close to the head no outside hind limbs exist. Massive, heavy(p) bones and long, narrow lungs, which extend through the intact body cavity, pass around the manatee evenly distributed buoyancy. A manatee cow gives birth around a year after mating usually a single, pick apart calf is born.Manatees live in small family groups, although they now and again travel in herds of 15 to 20. They feed in both fresh water and salt water, grazing for six to eight hours a day. An adult consumes an measuring rod equal to mingled with 5 and 10 percent of its body lean daily. Manatees have a slower metabolism than other mammals of similar size, which acutely reduces their energy requirements. This is in particular important for Amazonian manatees when waters recede after floods, trammel some for all-encompassing periods in shallow waters away from plants on river banks.Manatees have fewer natural enemies because of their size. However, their popul ation has been reduced significantly by heavy hunt for hides, meat, and blubber oil, and they are frequently injured or killed in collisions with boats.Manatees essays research papers Manatee, common name for each of three species of a large water mammal, popularly called a sea cow because it grazes on marine grasses and other water plants. The Amazonian manatee ranges throughout the Amazon River basin in South America the West African manatee occurs in rivers and coastal waters of tropical West Africa and the West Indian, or Caribbean, manatee is found in rivers and coastal waters from the southeastern United States and the Gulf of Mexico to the Caribbean Sea and northeastern Brazil. An adult manatee has a rounded body, usually colored light to dark gray or black, that tapers to a horizontally flattened, rounded tail. It is 2.5 to 4.5 m (8 to 14 ft) long, depending on the species, and weighs 200 to 600 kg (440 to 1300 lb). The small head includes a straight snout and a cleft up per lip with bristly hairs. Its nostrils, set on the upper surface of the snout, are closed tightly by valves when the animal is under water. The paddlelike forelimbs are set close to the head no external hind limbs exist. Massive, heavy bones and long, narrow lungs, which extend through the entire body cavity, give the manatee evenly distributed buoyancy. A manatee cow gives birth about a year after mating usually a single, pink calf is born.Manatees live in small family groups, although they occasionally travel in herds of 15 to 20. They feed in both freshwater and salt water, grazing for six to eight hours a day. An adult consumes an amount equal to between 5 and 10 percent of its body weight daily. Manatees have a slower metabolism than other mammals of similar size, which sharply reduces their energy requirements. This is especially important for Amazonian manatees when waters recede after floods, confining some for extended periods in shallow waters away from plants on river b anks.Manatees have few natural enemies because of their size. However, their population has been reduced significantly by heavy hunting for hides, meat, and blubber oil, and they are frequently injured or killed in collisions with boats.