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Diet of siamese crocodiles - fare of siamese crocodiles

31-01-2017 à 19:42:03
Diet of siamese crocodiles
Crocodylinae, all of whose members are considered true crocodiles, is classified as a biological subfamily. Large, old males are at the top of this hierarchy and have primary access to food and the best basking spots. They are carnivorous animals, feeding mostly on vertebrates such as fish, reptiles, birds and mammals, and sometimes on invertebrates such as molluscs and crustaceans, depending on species and age. They are quite agile predators and wait for the opportunity for a prey item to come well within attack range. The gharial having a narrow snout is easier to distinguish, while morphological differences are more difficult to spot in crocodiles and alligators. There is a strict hierarchy, which is determined by size. As it matures, the Nile crocodiles becomes darker and the cross-bands fade, especially those on the upper-body. A broader sense of the term crocodile, Crocodylidae that includes Tomistoma, is not used in this article. The range of this species once stretched northward throughout the Nile, as far north as the Nile delta. Crocodiles (subfamily Crocodylinae ) or true crocodiles are large aquatic reptiles that live throughout the tropics in Africa, Asia, the Americas and Australia. The Nile crocodile is called timsah al-nil in Arabic, mamba in Swahili, garwe in Shona, ngwenya in Ndebele, ngwena in Venda, kwena in Sotho and Tswana. Crocodile size, morphology, behaviour and ecology somewhat differs between species. The Nile crocodile is an ambush predator that can wait for hours, days and even weeks for the suitable moment to attack. Although no subspecies are currently formally recognized, as many as seven have been proposed, mostly due to variations in appearance and size noted in various populations through Africa. Like other crocodiles, Nile crocodiles have an extremely powerful bite that is unique amongst all animals and sharp conical teeth that sink into flesh allowing for a grip that is almost impossible to loosen. A (further) corrupted form cocodrille is found in Old French and was borrowed into Middle English as cocodril(le).


On each side of the mouth, there are five teeth in the front of the upper jaw ( premaxilla ), 13 or 14 in the rest of the upper jaw ( maxilla ), and 14 or 15 on either side of the lower jaw ( mandible ). The mouths of Nile crocodiles are filled with 64 to 68 sharply pointed, cone-shaped teeth (about a dozen less than alligators have). The most obvious external differences are visible in the head with crocodiles having narrower and longer heads, with a more V-shaped than a U-shaped snout compared to alligators and caimans. The term crocodile here applies only to the species within the subfamily of Crocodylinae. Even swift prey are not immune to attack. Range map from before the West African crocodile was considered separate. All crocodiles are tropical species that, unlike alligators, are very sensitive to cold. For the crocodile inhabiting west and northwest Africa, see West African crocodile. Details of the skull from a juvenile Nile crocodile. Most morphological attributes of Nile crocodiles are typical of crocodilians as a whole. Although they appear to be similar to the untrained eye, crocodiles, alligators and the gharial belong to separate biological families. The use of -y- in the scientific name Crocodylus (and forms derived from it) is a corruption introduced by Laurenti (1768). However, they have many similarities in these areas as well. The term is sometimes used even more loosely to include all extant members of the order Crocodilia, which includes Tomistoma, the alligators and caimans (family Alligatoridae ), the gharials (family Gavialidae ), and all other living and fossil Crocodylomorpha. The Nile crocodile is an opportunistic apex predator and a very aggressive species of crocodile that is capable of taking almost any animal within its range. All crocodiles are semiaquatic and tend to congregate in freshwater habitats such as rivers, lakes, wetlands and sometimes in brackish water and saltwater.

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