When it comes to larger prey, success depends on the crocodile’s body power and weight to pull the prey item back into the water, where it is either drowned or killed by sudden thrashes of the head or by tearing it into pieces with the help of other crocodiles. Lebih baru Lebih lama. In general, at the smallest sizes 0. In the past it has been claimed that the largest size that Nile crocodiles can attain is approximately 4. Journal of the Science of Food and Agriculture. However, for such large animals, their stomachs are relatively small, not much larger than a basketball in an average-sized adult, so as a rule, they are anything but voracious eaters. University of Chicago Press.
Most of the predators of eggs also opportunistically eat young crocodiles, including monitors and marabous, plus almost all co-existing raptorial birds, including vultures , eagles , and large owls and buzzards. However, for such large animals, their stomachs are relatively small, not much larger than a basketball in an average-sized adult, so as a rule, they are anything but voracious eaters. Yup, siapa tidak kenal dengan kota ini yang sudah banyak beredar akan buaya-buaya ganasnya yang banyak menelan korban? Slow-swimming pelicans are also frequently vulnerable to crocodiles. While adults can and will consume nearly all types of prey consumed by the younger specimens, as adult crocodiles gain bulk, they lose much of the necessary maneuverability to capture agile prey such as fish and are not likely to meet their dietary needs by consuming small prey and may expel unnecessary amounts of energy, so take them secondarily to larger prey. In comparison, piscivorous water birds from Africa eat far more per day despite being a fraction of the body size of a crocodile, for example a cormorant eats up to 1. Many other genera are taken widely and relatively regularly, including Tilapia which was the most significant prey genus in Lake Turkana , Clarias , Haplochromis , and Mormyrus.
Retrieved 1 November The arid land surrounding Lake Turkana is a relatively barren region for diverse or numerous prey other than fish, so fish are an exceptionally important food source to crocodiles there. Nile crocodiles have been widely known to have gastroliths in their stomachs, which are stones swallowed by animals for various purposes. Bahkan, ada juga loh yang memeliharanya. Large mammalian predators in Africa are often social animals and obligated to feed almost exclusively on terrestrial zones.
Living in the rich biosphere of Africa south of the Sahara, the Nile crocodile may come into contact with multiple other large predators. The Journal of Animal Ecology.
The Black Death, — In South Africathe invasive plant Chromolaena odorata has recently exploded along banks traditionally flim by crocodiles as nesting sites and caused nest failures by blocking sunlight over the nest chamber. Mabula Lodge South Africa. The species was previously thought to extend in range into the whole of West and Central Africa  but these populations are now typically recognized as a distinct species, the West African or desert crocodile.
The conservation situation is more grim in central and west Africa presumably for both the Nile and west African crocodiles. Some variation occurs relative to environment; specimens from swift-flowing waters tend to be lighter in colour than those dwelling in murkier lakes or swamps, which provides camouflage that suits their environment, an example of clinal variation. World Association of Zoos and Aquariums. Most locals are well aware of how to behave in crocodile-occupied areas and some of the writings quoted by Guggisberg from the 19th and 20th century may require being taken with a “grain of salt”.
Nile crocodiles may be able to tolerate an extremely broad range of habitat types, including small brackish streams, fast-flowing rivers, swamps, dams, and tidal lakes and estuaries. Nile crocodiles are absent from most of West and Central Africa, but range ghstave the latter region in eastern and southern Democratic Republic of Congo, and along the Central African coastal Atlantic region as far north to Cameroon.
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The Nile crocodile is the most common crocodilian in Africa today, and huaya be seen throughout much of the continent. Handbook of alligators and crocodiles. Crocodile Specialist Group Newsletter. However, Cott found that the only size range where fish were numerically dominant over other types of food was from 2 to 3.
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It also sometimes referred to as the African crocodile, Ethiopian crocodile, common crocodile, or the black crocodile. However, this is very much an unearned reputation. Caiman Broad-snouted caiman C. The forensic identification of crocodilian hides and products. In some areas, the mother crocodiles will only leave the nest if she needs to cool off thermoregulation by taking a quick dip or seeking out a patch of shade.
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Based on these findings, it has also been suggested that crocodiles may act as seed dispersers. On other occasions, more of its head and upper body is visible, especially when the terrestrial prey animal is on higher ground, to get a sense of the direction of the prey item as the top of an embankment or on a tree branch.
However, the Nile crocodile is the only modern crocodilian besides the saltwater crocodile where specimens over 4. Cott studied the food of hatchlings and juveniles very extensively in Uganda and Zambia then called Rhodesia.
Nile crocodiles of under two years are much more rarely observed fulm larger specimens, and more seldom seen than the same age young in several other types of crocodilian.
Surrey Beatty and Sons, Australia. Young crocodiles are rather shy and evasive due to the formidable gaunlet gustqve predators that they must face in sub-Saharan Africa, spending little time sunning and moving about nocturnally whenever possible.
Fatal alligator attacks Crocodile attacks Crocodile farm Crocodile tears Famous crocodiles and alligators Sewer alligator.
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On average, sexual maturity nuaya obtained from 12 to 16 years of age. During the mating seasonmales attract females by bellowing, slapping their snouts in the water, blowing water out of their noses, and making a variety of other noises.
Related articles on alligatorscaimanscrocodiles and gharials. Wild life in South Guaya. Nile crocodiles on occasion prey on big catsespecially lions. They have been spotted in Zanzibar and the Comoros in modern times, but occur very rarely. The dates correspond to about a month or two into the dry season within that given region. Lions, conflict and conservation in Eastern and Bkaya Africa. The largest accurately measured male, shot near Mwanza, Tanzania, measured 6.
An action plan for their conservation. A preliminary analysis of worldwide crocodilian attacks.
Reptil ini memiliki panjang anatomi tubuh hingga mencapai 6,2 meter. However, unlike other “man-eating” crocodile species, including the saltwater crocodile, the Nile crocodile lives within close proximity to human populations through most of its range, so contact is more frequent. This page was last edited on 22 Februaryat Archived from the original on In such a trance, some mother Nile crocodiles may show no discernable reaction even if pelted with stones. Gusave their jaws are bound together in the extreme midday heat, Nile crocodiles may easily die from overheating.
Archived from the original on December 18, Buaya Sangatta Dari Kalimantan. Natural History of the Waterfowl.