Mac OS X Snow Leopard (version 10.6) is the seventh major release of Mac OS X (now named macOS), Apple 's desktop and server operating system for Macintosh computers. Snow Leopard was publicly unveiled on June 8, 2009 at the Apple Worldwide Developers Conference. The snow leopard (Panthera uncia), also known as the ounce, is a large cat native to the mountain ranges of Central and South Asia. It is listed as Vulnerable on the IUCN Red List because the global population is estimated to number less than 10,000 mature individuals and is expected to decline about 10% by 2040.
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Mac OS X Server 10.6 (Snow Leopard Server) Released: August 28, 2009 Snow Leopard Server sold for $499 and included unlimited client licenses. New Features: Full 64-bit operating system. On appropriate systems with 4 GB of RAM or more, Snow Leopard Server uses a 64-bit kernel to address up to a theoretical 16 TB of RAM. Mac OS X v10.5 'Leopard' is an operating system made by Apple Inc. For its Macintosh line of computers.It is a version of Mac OS X, and carries the release number 10.5.It was released on October 27, 2007, and came in one release for both Intel Mac's, and PowerPC processors. From Wikipedia, the free encyclopedia (Redirected from Mac OS X Snow Leopard) This article is about the current Apple operating system for Mac computers. For pre-2001 versions, see Classic Mac OS.
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| Snow leopard | |
|---|---|
| Snow leopard in Wakhan District, Afghanistan | |
Vulnerable (IUCN 3.1)[1] | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Carnivora |
| Suborder: | Feliformia |
| Family: | Felidae |
| Subfamily: | Pantherinae |
| Genus: | Panthera |
| Species: | |
| Binomial name | |
| Panthera uncia (Schreber, 1775) | |
| Subspecies | |
| Distribution of snow leopard, 2017[1] | |
| Synonyms | |
|
The snow leopard (Panthera uncia) is a feline, which lives in central Asia. It used to be thought not to be closely related to the smaller leopard, which is why they were put in different genera before. However, recent research has discovered this is not correct. The cat is closely related to the other big cats in the genus Panthera.
Appearance[change | change source]
Snow leopards are about 2-5 meters long in the body, and have a 90-100 centimeter long tail. They weigh up to 75 kilograms. They have grey and white fur with dark rosettes and spots, and their tails have stripes. Its fur is very long and thick to protect it against the cold. Their feet are also big and furry, which helps them to walk on snow more easily. They use their long tails for balance and as blankets to cover sensitive body parts against the severe mountain chill.
Voice[change | change source]
They are one of the cats which cannot purr: 'In five cat species (lion, tiger, jaguar, leopard and snow leopard) the epihyoideum is an elastic ligament, whereas in all other species of the Felidae the epihyal is completely ossified (bony).. those felids with an elastic epihyoid are able to roar but not purr, while species with a completely ossified hyoid are able to purr but not to roar'.[2] Despite this, it seems now that snow leopards cannot roar, though they can make a number of other sounds.[2]
Hunting[change | change source]
Snow leopards are well camouflaged, and are crepuscular (most active at dawn and dusk). They stalk and eat medium-sized prey like Ibex, bharal (mountain sheep) and wild goats. It can survive on a single sheep for two weeks.
Snow leopards prefer to ambush prey from above, using broken terrain to conceal their approach. They try and land on the sheep, and kill it directly. If the sheep runs, they pursue it down steep mountainsides, using the momentum of their initial leap to chase prey for up to 300 m (980 ft).
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They kill with a bite to the neck, and may drag the prey to a safe location before feeding. They consume all edible parts of the carcass, and can survive on a single bharal for two weeks before hunting again. Annual prey needs is 20–30 adult blue sheep (bharal).[3] Zoom in on macbook pro.
Habitats[change | change source]
In summer, snow leopards usually live above the tree line on mountainous meadows and in rocky regions at altitudes from 2,700 to 6,550 m (8,860 to 21,490 ft). In winter, they come down into the forests to altitudes around 1,200 to 2,000 m (3,900 to 6,600 ft). Snow leopards prefer broken terrain, and can travel without difficulty in snow up to 85 cm (33 in) deep, although they prefer to use existing trails made by other animals.[4]
They live alone. After a pregnancy of about a hundred days the female gives birth to 2 or 3 cubs. Snow leopards are protected in most of the countries they live in. However, people do still kill them for their fur, or to protect their cattle. Malware software for mac.
Distribution[change | change source]
The snow leopard has a huge range in central Asia.[5][6] It is in Afghanistan, Bhutan, China, India, Kazakhstan, Kyrgyzstan, Nepal, Pakistan, Russia, Tajikistan, Uzbekistan, Kashmir, Kunlun, and the Himalaya to southern Siberia, Mongolia, and Tibet.[3][7]
Its numbers are quite low, though difficult to estimate. The best free editing software. Many estimates are rough and outdated. The total wild population of the snow leopard was estimated in 2008 as 4,510 to 7,350 individuals.[1][3]
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Taxonomy and evolution[change | change source]
The snow leopard was not thought closely related to the Panthera or other living big cats. However, recent molecular studies put the species firmly in the genus Panthera: its closest relative is the tiger (Panthera tigris).[3][8]MSW3 still refers to the snow leopard as Uncia uncia, but the more recent IUCN classifies it as Panthera uncia.[3][9]
In popular culture[change | change source]
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The snow leopard is an official symbol of Kazakhstan.[10]
References[change | change source]
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| Wikimedia Commons has media related to Uncia uncia. |
- ↑ 1.01.11.2McCarthy, T.; Mallon, D.; Jackson, R.; Zahler, P. & McCarthy, K. (2017). 'Panthera uncia'. IUCN Red List of Threatened Species. IUCN. 2017: e.T22732A50664030.Cite uses deprecated parameter
|last-author-amp=(help) - ↑ 2.02.1Weissengruber G.E. 'Hyoid apparatus and pharynx in the lion (Panthera leo), jaguar (Panthera onca), tiger (Panthera tigris), cheetah (Acinonyx jubatus) and domestic cat (Felis silvestris f. catus)'. Journal of Anatomy. pp. 195–209. doi:10.1046/j.1469-7580.2002.00088.x. Retrieved 2010-09-29.Invalid
|display-authors=etal 2002(help) - ↑ 3.03.13.23.33.4Panthera uncia (Ounce, Snow Leopard). Iucnredlist.org. Retrieved on 2012-08-23.
- ↑Sunquist, Mel & Sunquist, Fiona 2002. Wild cats of the world. Chicago: University of Chicago Press, 377–394. ISBN0-226-77999-8
- ↑A map of the snow leopard's range. Snowleopardconservancy.org. Retrieved on 2013-06-03.
- ↑'Out of the shadows by Douglas H. Chadwick'. National Geographic. 2008. Retrieved 2010-01-29.
- ↑Geptner, Vladimir G.; et al. (1992). Mammals of the Soviet Union: Carnivora. BRILL. ISBN978-90-04-08876-4.
- ↑Davis B.W; Li G. & Murphy W.J. 2010. Supermatrix and species tree methods resolve phylogenetic relationships within the big cats, Panthera (Carnivora: Felidae). Molecular Phylogenetic Evolution. 56 (56): 64–76. doi:10.1016/j.ympev.2010.01.036. PMID20138224.Missing or empty
|title=(help)CS1 maint: multiple names: authors list (link) - ↑Johnson W.E. Science. 311 (5757): 73–77. doi:10.1126/science.1122277. PMID16400146.Cite has empty unknown parameter:
|1=(help); Missing or empty|title=(help); Invalid|display-authors=etal 2006 The late Miocene radiation of modern Felidae: a genetic assessment(help);|access-date=requires|url=(help) - ↑http://www.globalsnowleopard.org/blog/who-we-are/range-countries/kazakhstan/
