Post by dinosauria101 on Mar 27, 2019 11:54:55 GMT 5
Nile Crocodile - Crocodylus niloticus
The Nile crocodile or Common crocodile (Crocodylus niloticus) is an African crocodile which is common in Somalia, Ethiopia, Uganda, Kenya, Egypt, Tanzania, Zambia, Zimbabwe, Gabon, South Africa, Malawi, Sudan, Botswana, and Cameroon. Isolated populations also exist in Madagascar, Senegal. Nile crocodiles have a dark bronze colouration above, with black spots on the back and a dirty purple on the belly. The flanks, which are yellowish green in colour, have dark patches arranged in oblique stripes. The Nile crocodile is the largest crocodilian in Africa and is sometimes regarded as the second largest crocodilian after the saltwater crocodile. The male crocodile usually measure from 11.5 to 16 feet long (3.5 to 5 metres), but very old, mature ones can grow to 18 ft (5.5 m) or more. Like all crocodiles they are sexually dimorphic, with the males up to 30% larger than the females, though the difference is even more in some species, like the saltwater crocodile. Mature female Nile crocodiles measure 8 to 13 ft (2.4 to 4.0 m) Typical Nile crocodile weight is from 150 to 750 kg (330 to 1,540 lb), averaging 527 kg in Limpopo, South Africa. The largest accurately measured male was shot near Mwanza, Tanzania and measured 6.45 m (21.2 ft) and weighed approximately 1,090 kg (2,400 lb).
i53.photobucket.com/albums/g62/TigerQuoll/african%20wildlife/NileCrocodileZ.jpg
American Crocodile - Crocodylus acutus
The American crocodile (Crocodylus acutus) is a species of crocodilian found in the Neotropics. It is the most widespread of the four extant species of crocodiles from the Americas. Populations occur from the Atlantic and Pacific coasts of southern Mexico to South America as far as Peru and Venezuel. It also lives within many river systems on Cuba, Jamaica, and Hispaniola. Within the United States the American crocodile is only found within the southern half of Florida. In Florida, there is an estimated population of about 2000. The habitat of the American crocodile consists largely of coastal areas. Like all crocodilians, the American crocodile is a quadruped, with four short, splayed legs; a long, powerful tail; a scaly hide with rows of ossified scutes running down its back and tail. The snout is elongated and includes a strong pair of jaws. The eyes have nictitating membranes for protection along with lachrymal glands, which produce tears. The nostrils, eyes, and ears are situated on the top of its head, so the rest of the body can be concealed underwater for surprise attacks. Camouflage also helps them prey on food. The snout is relatively longer and narrower than the American alligator although broader on average than the Orinoco crocodile. American crocodiles are also paler and more grayish than the relatively dark-hued alligator. This crocodile species normally crawl on their belly, but they can also "high walk". Larger specimens can charge up to 10 miles per hour (16 km/h). They can swim at as much as 20 miles per hour (32 km/h) by moving their body and tail in a sinuous fashion, but they cannot sustain this speed. The average adult is 4 metres (13 ft) long and weighs 382 kilograms (840 lb) in males, and 3 metres (9.8 ft) and 173 kilograms (380 lb) in females. In the Tárcoles River in Costa Rica there are dozens of 4-meter and a few 5-meter individuals that frequent bridge crossings (where they are fed daily, which may have helped them reach such consistently large sizes) and are a popular tourist attraction. In their United States range, adult length has been recorded as high as 4.9 metres (16 ft) but adult males on average measure only 3.5 metres (11 ft) long. This species is said to grow largest in the South American river basins, but even old males rarely reach 6 metres (20 ft). A skull of this species was found to measure 72.6 centimetres (28.6 in) and is estimated to have belonged to a crocodile of 6.6 metres (22 ft) in length. Large, mature males regularly weigh about 400–500 kg (880-1100 lb), with the 6 meter+ individuals surpassing 1000 kg (2,200 lb). The longest American crocodile ever actually measured from snout to tail is a 17 feet (5.2 m) male living within the Tarcoles River of Costa Rica.
upload.wikimedia.org/wikipedia/commons/thumb/f/f2/Crocodylus_acutus_mexico_02-edit1.jpg/220px-Crocodylus_acutus_mexico_02-edit1.jpg
Credit to Wikipedia
The Nile crocodile or Common crocodile (Crocodylus niloticus) is an African crocodile which is common in Somalia, Ethiopia, Uganda, Kenya, Egypt, Tanzania, Zambia, Zimbabwe, Gabon, South Africa, Malawi, Sudan, Botswana, and Cameroon. Isolated populations also exist in Madagascar, Senegal. Nile crocodiles have a dark bronze colouration above, with black spots on the back and a dirty purple on the belly. The flanks, which are yellowish green in colour, have dark patches arranged in oblique stripes. The Nile crocodile is the largest crocodilian in Africa and is sometimes regarded as the second largest crocodilian after the saltwater crocodile. The male crocodile usually measure from 11.5 to 16 feet long (3.5 to 5 metres), but very old, mature ones can grow to 18 ft (5.5 m) or more. Like all crocodiles they are sexually dimorphic, with the males up to 30% larger than the females, though the difference is even more in some species, like the saltwater crocodile. Mature female Nile crocodiles measure 8 to 13 ft (2.4 to 4.0 m) Typical Nile crocodile weight is from 150 to 750 kg (330 to 1,540 lb), averaging 527 kg in Limpopo, South Africa. The largest accurately measured male was shot near Mwanza, Tanzania and measured 6.45 m (21.2 ft) and weighed approximately 1,090 kg (2,400 lb).
i53.photobucket.com/albums/g62/TigerQuoll/african%20wildlife/NileCrocodileZ.jpg
American Crocodile - Crocodylus acutus
The American crocodile (Crocodylus acutus) is a species of crocodilian found in the Neotropics. It is the most widespread of the four extant species of crocodiles from the Americas. Populations occur from the Atlantic and Pacific coasts of southern Mexico to South America as far as Peru and Venezuel. It also lives within many river systems on Cuba, Jamaica, and Hispaniola. Within the United States the American crocodile is only found within the southern half of Florida. In Florida, there is an estimated population of about 2000. The habitat of the American crocodile consists largely of coastal areas. Like all crocodilians, the American crocodile is a quadruped, with four short, splayed legs; a long, powerful tail; a scaly hide with rows of ossified scutes running down its back and tail. The snout is elongated and includes a strong pair of jaws. The eyes have nictitating membranes for protection along with lachrymal glands, which produce tears. The nostrils, eyes, and ears are situated on the top of its head, so the rest of the body can be concealed underwater for surprise attacks. Camouflage also helps them prey on food. The snout is relatively longer and narrower than the American alligator although broader on average than the Orinoco crocodile. American crocodiles are also paler and more grayish than the relatively dark-hued alligator. This crocodile species normally crawl on their belly, but they can also "high walk". Larger specimens can charge up to 10 miles per hour (16 km/h). They can swim at as much as 20 miles per hour (32 km/h) by moving their body and tail in a sinuous fashion, but they cannot sustain this speed. The average adult is 4 metres (13 ft) long and weighs 382 kilograms (840 lb) in males, and 3 metres (9.8 ft) and 173 kilograms (380 lb) in females. In the Tárcoles River in Costa Rica there are dozens of 4-meter and a few 5-meter individuals that frequent bridge crossings (where they are fed daily, which may have helped them reach such consistently large sizes) and are a popular tourist attraction. In their United States range, adult length has been recorded as high as 4.9 metres (16 ft) but adult males on average measure only 3.5 metres (11 ft) long. This species is said to grow largest in the South American river basins, but even old males rarely reach 6 metres (20 ft). A skull of this species was found to measure 72.6 centimetres (28.6 in) and is estimated to have belonged to a crocodile of 6.6 metres (22 ft) in length. Large, mature males regularly weigh about 400–500 kg (880-1100 lb), with the 6 meter+ individuals surpassing 1000 kg (2,200 lb). The longest American crocodile ever actually measured from snout to tail is a 17 feet (5.2 m) male living within the Tarcoles River of Costa Rica.
upload.wikimedia.org/wikipedia/commons/thumb/f/f2/Crocodylus_acutus_mexico_02-edit1.jpg/220px-Crocodylus_acutus_mexico_02-edit1.jpg
Credit to Wikipedia