Chinese name: white rhino (white rhino〕 English name: white rhinoceros, square-lipped rhinoceros Scientific name: ceratotherium simum simum Category: Mammalia class mammalia, Perissodactyla present order perissodactyla, rhino Branch family rhinocerotidae Size: head body length 3,350-4,200 mm, tail length 500-700mm, shoulder height 1,500-1,850 mm, male weight 2,000-3,600 kg, female 1,400-1,700 kg. Body: the body color from yellow to brown to gray, ears and tail edge bristle, and the remaining part of the no hair, a square upper lip. The average angle of the nose 60cm, up to 200cm. Distribution: Africa. Conservation: conservation of endangered species of wild animals
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Overview
Vertebrates, Mammalia, Perissodactyla head, rhino Division. Body tall, 3.3 ~ 4.2 m in length, shoulder height of 1.5 to 1.8 meters, weighing 1.4 to 3.6 tons. Tail length of only 50 to 70 cm. After the great beasts as terrestrial. Skin gray. Head length, no lower incisors. Kiss large and blunt, it is self into a genus, also known as the rhinoceros party kiss. There are 2 long nose angle, rake angle of about 120 cm, 60 cm long posterior horn of the female rhino rhinoceros horns often longer than the male. Grassland habitat north and south equatorial Africa alone, often in groups 2 to 5. Herbivorous. Hi mud bath. White rhino and black rhino the existing number of only a few thousand head. Mainly because they have a pair of extremely valuable rhino horn, is greed that is rare in human medicine, or for carving a variety of fine arts and crafts materials. Over the years the two African rhino human can say ruthless. 1970 to 1976, the horn of Africa to any other place there as much as 24 tons. This shows that at least 10,000 rhinos were killed. After this, the black rhino white rhino in Africa is still struggling to survive under the gun, there is more to be killed, to date, African rhinos still hunted when gunfire sounded.
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Type
A rough description rhino white rhino sub-5: white rhino, black rhino, Sumatran rhino, the Indian rhino and Javan rhino. Black, white rhino and the Sumatran rhino is one after having a diagonal, only one Indian and Javan rhino horn. White rhino's body is the largest rhino 5, female weighs about 1,800 kg (3968 lb); male 2,300 kg (5070 lb) Length (including header) 360 - 420 cm or so. Shoulder height 1.5-1.8 meters (5-6 feet) tail length of 80-100mm. In all land mammals, and the white rhino is the shape of the African and Asian elephants after the animals. White rhino male body than females. Weight 65 kg newborn white rhinoceros (143 pounds). We can distinguish from the appearance of white rhinos and black rhinos. White rhinoceros shape larger than the flat forehead, shoulder more prominent. The white rhino is also called "side lip rhinoceros" because paying lip service to a wide white rhino over the previous level. The first angle is greater than the white rhino horn, the average length of 60-150 centimeters (24-59 feet). White rhino is not white, but blue-gray or brown gray. The reason behind the white rhino is the Afrikaans name "wide" translation caused an error. And other similar types of rhino, white rhino poor eyesight, but keen hearing and smell.
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Eating habit
The name of the white rhino from the Dutch "weit", meaning "wide" (wide flat), for their wide flat lips, the later mistakenly referred to as "white" (white), so called "white rhino ", also known as" square mouth rhinoceros. " Their wide flat lips, like lawn mowers can be like eating the grass of the earth. Herbivorous, but also eat cereal, granular feed, alfalfa tablets, green grass.
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Habits
White rhino habitat in grassland and forest areas. And several other rhino is usually a different form small groups or the whole family to live together, the other rhino usually living alone. They are mainly in the evening, night and early morning activities during the day in the dense jungle or grass to rest, rest areas and sometimes a few kilometers away from the water. White rhino has very poor eyesight, hearing and rely mainly on smell, running at speeds up to 40km. Even in the habitat most ferocious lions they do nothing, there is no natural enemies, the only natural enemy is man. Groups of white rhinos will be activities, the group is usually the mother rhino and Xiao Xiniu; adult male rhinos are mostly living alone, they will pee and spreading manure way to identify their own areas, in the battle field, the angle of attack with each other . But they are mild than the black rhino, less aggressive. Reproduce all year round.
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Natural History
白犀 自然发展历史
White rhinos live in the southern and central African savannah and woodland. They require relatively flat terrain of life, there are shrubs as cover, while abundant pasture and water. Incisors and canines the white rhino is not, they use the lips gathering food. White rhino has two subspecies: the northern white rhino and the southern white rhino. Twentieth century, the northern white rhino more than the number of southern white rhinos, distributed in many African countries. Now we are only in the Democratic Republic of the Congo to see Garamba National Park, the northern white rhino on the scene. 1997 survey showed 25 white rhinos remaining. White rhinos live in the southern Angola prior to the southeast and south central Mozambique, Zimbabwe, Botswana, eastern Namibia and northern and eastern South Africa. Has been thought extinct until 1895, Durban, South Africa, the southern white rhino in this discovery. Today they live mainly in protected areas in southern Africa, especially in the Durban hluhluwe / umfolozi protected areas. Botswana, Namibia, Swaziland, Zimbabwe and southern Mozambique, there are a few white rhinos. Twentieth century, the seventies, South Africa re-introduced to Kenya 20 southern white rhinos, and now number about 170, of which 120 only in a private drop-in centers, and the remaining 50 live in two national parks. 2001 statistics, the total number of southern white rhino of approximately 11,600 only. Adult female white rhinoceros in the birth to the first 6-7 years old Aberdeen, pregnancy is about 16 months. Aberdeen 2-4 with an annual output of each one. Sexual maturity of male white rhinos in the 10-12 years old. White rhino has been born three days behind to follow in her mother, and then usually run in front of his mother. Lactation period of approximately one year, but after 3 months it will bite the turf of the white rhinoceros. White rhino is more complex social structure, in a family group will include up to 14 members, but smaller groups may be only mothers and Xiao Xiniu. Area occupied by male white rhino is smaller than the female, but allow in sub-dominant males and adult females in their field of activity. The dominant male will be female Liuzaishenbian pregnancy. Mating male and female white rhinos will be about 20 days to live together.