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Reference Base  The mammals of the southern African subregion, new edition |
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| Title: |
The mammals of the southern African subregion, new edition |
| Author(s): |
Skinner, J.D.; Smithers, R.H.N. |
| Year published: |
1990 |
| Publisher: |
Pretoria, University of Pretoria |
| Volume: |
- |
| Pages: |
pp. i-xxxii, 1-771 |
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| File: |
View PDF: 1,4 mb |
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Location:
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World
Ecology - Habitat
White Rhino
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| Within the territory the dominant bull usually has a number of favourite resting places in which he lies up in the shade during the heat of the day, either standing or reclining on his belly or side. In cool cloudy weather with high winds they tend to shelter in thickets. Cows and subadults do ... |
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Africa - Southern Africa - South Africa
Taxonomy - Evolution
White Rhino
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| A fossil species, Ceratotherium praecox Hooijer & Patterson, 1972, whose remains have been recovered from fossil beds at Langebaanweg, was among the commoner of the large mammals in the assemblage, dating back some seven million years ago. The earliest known fossil form of the species, Ceratothe... |
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Reproduction
White Rhino
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| For the first three days following parturition the calf is unsteady on its feet, thereafter it keeps close to its protective mother. |
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World
Taxonomy
Black Rhino
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| While seven subspecies have been described (Groves, 1967), more recent research (du Toit, 1987) has not supported this degree of taxonomic splitting, and the African Elephant and Rhino Specialist Group (of the International Union for the Conservation of Nature) now recognizes four conservation un... |
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Morphology
Black Rhino
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| The folding of the skin is confined to an area above the knees, on the front limbs, across the nape behind the ears and on the flanks. |
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World
Morphology - Size
Black Rhino
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| A mass of up to about 1000 kg. The mean mass of live individuals from the Hluhluwe Game Reserve, Natal is males 852 kg (n=8), females 884 kg (n=6) (Hitchins, 1968b). |
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World
Morphology - Horn
Black Rhino
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| The horns are composed of a mass of tubular filaments, similar in substance to hair. They grow from the skin and are not attached to the underlying bone, but the bony surface of the skull is rugose under the bases of the horns to allow a firm attachment of the skin to the skull in these areas.
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World
Morphology - Skull
White Rhino
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| The upper and lower second molars are the largest of the cheekteeth. All cheekteeth are broad-faced and have convoluted enamel layers on their biting surfaces and are adapted to grinding up the food. In the deciduous dentition they have four premolars on either side in the upper and lower jaws,... |
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World
Reproduction
White Rhino
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| The oestrous cycle length is approximately 28 days (n=5) based on the inter-oestrus intervals and hormonal profiles of captive C. s. cottoni |
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World
Morphology
Black Rhino
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| At birth calves are lighter in colour than adults and are sparsely haired. |
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Categories and original text of this Reference:
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