Post by DinosaurMichael on May 31, 2013 5:36:32 GMT 5
Cape Buffalo - Syncerus caffer
The African buffalo, affalo, nyati, Mbogo or Cape buffalo (Syncerus caffer) is a large African bovine. It is not closely related to the slightly larger wild Asian water buffalo, but its ancestry remains unclear. Owing to its unpredictable nature which makes it highly dangerous to humans, it has not been domesticated, unlike its Asian counterpart, the domestic Asian water buffalo. The African buffalo is a very robust species. Its shoulder height can range from 1 to 1.7 m (3.3 to 5.6 ft) and its head-and-body length can range from 1.7 to 3.4 m (5.6 to 11 ft). The tail can range from 70 to 110 cm (28 to 43 in) long. Savannah type buffaloes weigh 500 to 910 kg (1,100 to 2,000 lb), with males, normally larger than females, reaching the upper weight range. A record-sized savannah-type male weighed 1,000 kg (2,200 lb). Forest type buffaloes, at 250 to 455 kg (550 to 1,000 lb), are only half that size. Its head is carried low, its top located below the backline. The front hooves of the buffalo are wider than the rear, which is associated with the need to support the weight of the front part of the body, which is more powerful than the back. Savannah type buffalo have black or dark brown coats with age. Old bulls have whitish circles around their eyes. Females tend to have more reddish coats. Forest type buffalo are reddish brown in colour with horns that curve out backwards and upwards. Calves of both types have red coats. The horns of African buffalo are very peculiar. A characteristic feature of them is the fact that the adult bull's horns have fused bases, forming a continuous bone shield referred to as a "boss," which can not always be penetrated even by a rifle bullet. From the base the horns diverge, then bend down, and then smoothly curve upwards and outwards. The distance between the ends of the horns of large bulls is more than a metre. The young buffalo horn boss forms fully only upon reaching the age of 5–6 years. In cows the horns are, on average, 10-20% less, and the boss is less prominent. Forest buffalo horns are much smaller and weaker than those of the savannah buffaloes and are almost never fused. They rarely reach a length of even 40 cm.
Ceratosaurus - Ceratosaurus nasicornis
Ceratosaurus (/?s?r?t??s?r?s/) meaning "horned lizard", in reference to the horn on its nose (Greek
??/?, keras/keratos meaning "horn" and /sauros meaning "lizard"), was a large predatory theropod dinosaur from the Late Jurassic Period (Kimmeridgian to Tithonian), found in the Morrison Formation of North America, in Tanzania and Portugal. It was characterized by large jaws with blade-like teeth, a large, blade-like horn on the snout and a pair of hornlets over the eyes. The forelimbs were powerfully built but very short. The bones of the sacrum were fused (synsacrum) and the pelvic bones were fused together and to this structure (Sereno 1997). A row of small osteoderms was present down the middle of the back. Ceratosaurus was a fairly typical theropod, with a large head, short forelimbs, robust hind legs, and a long tail. The skull of Ceratosaurus was quite large in proportion to the rest of its body. Each premaxilla contained only three teeth, and each maxilla (the main tooth-bearing bones in the upper jaw) held between twelve and fifteen flattened, exceptionally long teeth. Each dentary (the main tooth-bearing bone in the lower jaw) bore eleven to fifteen teeth. The prominent nose horn is formed from protuberances of the nasal bones. A juvenile specimen is known in which the two halves of the horn are not yet fused together. In addition to the large nasal horn, Ceratosaurus possessed smaller hornlike ridges in front of each eye, similar to those of Allosaurus. These ridges were formed by enlargement of the lacrimal bones. Uniquely among theropods, Ceratosaurus possessed dermal armor, in the form of small osteoderms running down the middle of its back. The tail of Ceratosaurus comprised about half of the body's total length. It was thin and flexible, with high vertebral spines. The type specimen was an individual about 17.5 feet (5.3 m) long; it is not clear whether this animal was fully grown. David B. Norman (1985) estimated that the maximum length of Ceratosaurus was 20 feet (6 m). A particularly large Ceratosaurus specimen from the Cleveland-Lloyd Quarry (UUVP 81), discovered in the mid-1960s, may have been up to 28.8 feet (8.8 m) long. Marsh (1884) suggested that Ceratosaurus weighed about half as much as Allosaurus. In Predatory Dinosaurs of the World, published in 1988, Gregory S. Paul estimated that the C. nasicornis holotype skeleton came from an animal weighing about 524 kilograms (1,160 lb). A large femur from the Cleveland-Lloyd Quarry represents a much bigger and heavier individual, whose bulk was estimated by Paul at about 980 kilograms (2,200 lb).
The African buffalo, affalo, nyati, Mbogo or Cape buffalo (Syncerus caffer) is a large African bovine. It is not closely related to the slightly larger wild Asian water buffalo, but its ancestry remains unclear. Owing to its unpredictable nature which makes it highly dangerous to humans, it has not been domesticated, unlike its Asian counterpart, the domestic Asian water buffalo. The African buffalo is a very robust species. Its shoulder height can range from 1 to 1.7 m (3.3 to 5.6 ft) and its head-and-body length can range from 1.7 to 3.4 m (5.6 to 11 ft). The tail can range from 70 to 110 cm (28 to 43 in) long. Savannah type buffaloes weigh 500 to 910 kg (1,100 to 2,000 lb), with males, normally larger than females, reaching the upper weight range. A record-sized savannah-type male weighed 1,000 kg (2,200 lb). Forest type buffaloes, at 250 to 455 kg (550 to 1,000 lb), are only half that size. Its head is carried low, its top located below the backline. The front hooves of the buffalo are wider than the rear, which is associated with the need to support the weight of the front part of the body, which is more powerful than the back. Savannah type buffalo have black or dark brown coats with age. Old bulls have whitish circles around their eyes. Females tend to have more reddish coats. Forest type buffalo are reddish brown in colour with horns that curve out backwards and upwards. Calves of both types have red coats. The horns of African buffalo are very peculiar. A characteristic feature of them is the fact that the adult bull's horns have fused bases, forming a continuous bone shield referred to as a "boss," which can not always be penetrated even by a rifle bullet. From the base the horns diverge, then bend down, and then smoothly curve upwards and outwards. The distance between the ends of the horns of large bulls is more than a metre. The young buffalo horn boss forms fully only upon reaching the age of 5–6 years. In cows the horns are, on average, 10-20% less, and the boss is less prominent. Forest buffalo horns are much smaller and weaker than those of the savannah buffaloes and are almost never fused. They rarely reach a length of even 40 cm.
Ceratosaurus - Ceratosaurus nasicornis
Ceratosaurus (/?s?r?t??s?r?s/) meaning "horned lizard", in reference to the horn on its nose (Greek
??/?, keras/keratos meaning "horn" and /sauros meaning "lizard"), was a large predatory theropod dinosaur from the Late Jurassic Period (Kimmeridgian to Tithonian), found in the Morrison Formation of North America, in Tanzania and Portugal. It was characterized by large jaws with blade-like teeth, a large, blade-like horn on the snout and a pair of hornlets over the eyes. The forelimbs were powerfully built but very short. The bones of the sacrum were fused (synsacrum) and the pelvic bones were fused together and to this structure (Sereno 1997). A row of small osteoderms was present down the middle of the back. Ceratosaurus was a fairly typical theropod, with a large head, short forelimbs, robust hind legs, and a long tail. The skull of Ceratosaurus was quite large in proportion to the rest of its body. Each premaxilla contained only three teeth, and each maxilla (the main tooth-bearing bones in the upper jaw) held between twelve and fifteen flattened, exceptionally long teeth. Each dentary (the main tooth-bearing bone in the lower jaw) bore eleven to fifteen teeth. The prominent nose horn is formed from protuberances of the nasal bones. A juvenile specimen is known in which the two halves of the horn are not yet fused together. In addition to the large nasal horn, Ceratosaurus possessed smaller hornlike ridges in front of each eye, similar to those of Allosaurus. These ridges were formed by enlargement of the lacrimal bones. Uniquely among theropods, Ceratosaurus possessed dermal armor, in the form of small osteoderms running down the middle of its back. The tail of Ceratosaurus comprised about half of the body's total length. It was thin and flexible, with high vertebral spines. The type specimen was an individual about 17.5 feet (5.3 m) long; it is not clear whether this animal was fully grown. David B. Norman (1985) estimated that the maximum length of Ceratosaurus was 20 feet (6 m). A particularly large Ceratosaurus specimen from the Cleveland-Lloyd Quarry (UUVP 81), discovered in the mid-1960s, may have been up to 28.8 feet (8.8 m) long. Marsh (1884) suggested that Ceratosaurus weighed about half as much as Allosaurus. In Predatory Dinosaurs of the World, published in 1988, Gregory S. Paul estimated that the C. nasicornis holotype skeleton came from an animal weighing about 524 kilograms (1,160 lb). A large femur from the Cleveland-Lloyd Quarry represents a much bigger and heavier individual, whose bulk was estimated by Paul at about 980 kilograms (2,200 lb).
