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Like other hartebeests, the bubal was a social animal. Luis del Mármol Carvajal wrote in 1573 that herds of 100 to 200 animals could be found in northern Morocco. According to 19th century writers, the bubal hartebeest preferred rocky areas with a fair amount of vegetation, in contrast to the sandy, drier habitat of the Addax.
In a study on the effect of place and sex on carcass characteristics, the average carcass weight of the male red hartebeest was 79.3 kg (174 + 3 ⁄ 4 lb) and that of females was 56 kg (123 lb). The meat of the animals from Qua-Qua region had the highest lipid content—1.3 g (20 gr) per 100 g ( 3 + 1 ⁄ 2 oz) of meat.
The bluebuck and sable antelope diverged from each other 2.8 million years ago, while the roan antelope diverged from both of them 4.17 million years ago. Africa was going through climatic oscillations between 3.5 and 2 million years ago, and during a colder period, the ancestors of the sable antelope and bluebuck may have been separated, and ...
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Biodiversity loss has bad effects on the functioning of ecosystems. This in turn affects humans, [45] because affected ecosystems can no longer provide the same quality of ecosystem services, such as crop pollination, cleaning air and water, decomposing waste, and providing forest products as well as areas for recreation and tourism. [122]
This category lists some of the species that have become extinct due to human activity, whether intentionally or unintentionally. If a more specific reason is known, the species should also be assigned to a subcategory of Category:Species by threat. They may also need to be placed in Category:Extinctions since 1500.
While human activities are causing a loss of much of the world's biodiversity, amphibians appear to be suffering much greater effects than other classes of organism. Because amphibians generally have a two-staged life cycle consisting of both aquatic ( larvae ) and terrestrial ( adult ) phases, they are sensitive to both terrestrial and aquatic ...