Posts tagged iyak
What Colors Are Yaks?

Three colors are recognized in North American yaks: Imperial Black, Native Black, and Golden.

Black Imperials: Frequently coal black at birth, Imperials are black with a shiny black nose. As they develop, depending on how wooly the animal is, they often take on a reddish cast from sun exposure. The silkier the coat the less likely it will be changed by exposure to sunlight. The reddish cast may be due to modifying or casting genes that act in the presence of the primary black gene and interaction with sunlight to create the reddish cast. This can also be seen in Black Angus cattle, Friesian horses and many other livestock breeds.

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Nicole Portercolor, science, iyak
When Are You Looking At A Wild Yak?

The Wooly and SuperWooly breed in North America are most closely related to the this rare "Long-Hair Fur Forehead Yak” and current genetics research bares this out. They not considered a “breed” according to researchers - meaning they are not “man-made” through selective breeding (Weiner et al. 2003). The Tibetan locals agree that this subspecies is only found in the south of Qinghai and only in remote pockets in the highlands of Qinghai...

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Long-hair fur forehead yak (རིང་པོ སྐྲ སྤུ དཔྲལ་བ། འབྲོང)

While their domesticated counterparts can be found in a much more varied area in the oriental region, the main geographic range of wild B. grunniens is limited to the Tibetan Plateau, which includes "...the western edge of Gansu Province, Qinghai Province, the southern rim of the Xinjiang Autonomous Region, and the Tibet Autonomous Region." (Schaller & Wulin, 1995)...

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Nicole Porterscience, tibet, iyak, yak
Ligers and Zebroids and Yow, Oh My!

Ligers are the Franken-feline achieved by crossing a lion and a tiger. Ligers are always sterile. Zebroids, Zebras crossed with other species, are also almost always infertile, and often suffer health consequences of dwarfism. While the dwarf zebroids can still run, ligers suffer from acromegaly, or "giantism" and grow too big. 

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