Friday, November 16, 2012

American Alligator

 

Animal You | American Alligator | An alligator can be up to 30 to 50 years. In adult males American alligator, medium length 3.4 m (11 feet), while females smaller the average is 2.6 m (8.5 feet). There are reports in the 19th century and 20 great men reach 5-6 meters (16-20 feet). Adult males can weigh about 227 kg (500 lb), while females weigh about 91 kg (200 lb). Wild alligators ranging from long and thin, short and stout, probably due to variations in factors such as nutrition, growth and climate. Alligators have broad snout, especially in captive individuals. When the jaws are closed, covers the edge of the upper jaw, the lower teeth in the jaws form "wells. Adults Alligators are oil Backbones, brown, gray or may be black, while the belly is cream colored.


Unlike most other terrestrial vertebrates raise alligators. Alligators have the strongest bite in the laboratory of a living animal, measured up to 9452 Newton (2125 lbf) in laboratory conditions. Some alligators lack inhibited gene for melanin, which makes them albino. These alligators are extremely rare and almost impossible to find in nature. Alligators are found primarily in the southeastern United States, from Great Dismal Swamp in Virginia and North Carolina, south of Everglades National Park in Florida and west to southern Texas. Alligators live in swamps, streams, rivers, ponds and lakes. Females and young are also found in Carolina bays and other seasonal wetlands. While prefer freshwater, saltwater crocodiles, sometimes more.


A study of alligators in North Central Florida found that people preferred the open sea water in the spring, while females used water areas and wetlands and open. Plains, including the Everglades, through the construction of small ponds known as "alligator holes" These creating wetland habitats dryer or other organisms, such as plants, fish, invertabrates, amphibians, reptiles and mammals. Alligators can. Alligators are less sensitive to cold than American alligators. Unlike the crocodile immediately succumb to cold and drown in water of 45 ° F (7.2 ° C), an alligator survive at such temperatures for some time without any sign of discomfort. It is believed that this adjustment of why American alligators spread farther north than the American Crocodile.


When water begins to freeze, alligators poke the muzzle, even if the surface, breathing through the ice sheets. Although alligators have no vocal cords, males below high to attract mates and warn other males during this time drawing air into the lungs and breathing deeply intermittent shades of roars. Alligators males are also known to use infrasound during their mating behavior. The nest of a female vegetation, sticks, leaves and mud building in a safe place or near water. having their eggs egg whites 20-50, set the size of a goose, copper them with more vegetation, which helps as it decomposes, which warms the eggs warm. This differs from Nile crocodiles, which lay their eggs in pits.The temperature, alligator eggs develop to determine their sex


Nests female dams become hotter and thus produce male nests while the cooler wet females funds. The guys are small replicas of adult alligators with a series of yellow bands around the body that serve as camouflage. Young alligators eat small fish, frogs, crustaceans and insects. They are also preyed upon by large fish, birds, alligators and adults Raccon. Mother alligators are finally more aggressive to their young, which promotes dissipate. Alligators young growing 8.3 (7.6 20 cm) of a year, and reach adulthood to 6 feet (1.8 m)
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