Two yaks looked on with expressions that probably pass, in the yak world, for unabashed admiration.

BBC: Following the Silk Road to the end of China

The bus startled a herd of yaks who stampeded off the road like sheep as we approached.

BBC: Following the Silk Road to the end of China

Most shepherds graze sheep, some yaks, but many also have a herd of horses left to wander the valleys throughout summer.

BBC: The way of the shepherd: Horse trekking through Kyrgyzstan

It was in a summer encampment on the far side of the lake beyond wild pastures littered with camels, yaks, sheep and water courses.

BBC: Following the Silk Road to the end of China

Very little is known about wild yak biology, such as how often the animals breed and how many young yaks survive to adulthood.

MSN: Wild yaks are back �� at least in the Tibetan Plateau

Berger and his team found more wild yaks near glaciers, which feed adjacent alpine meadows and provide food for the large beasts, the WCS noted.

MSN: Wild yaks are back �� at least in the Tibetan Plateau

The designer, Edie Freedman, noticed that UNIX programs had these really weird names like sed and awk, which got her thinking of animals with odd names, like yaks, llamas and geckos.

FORBES: Calliope's revenge

Yaks live in alpine tundra, grasslands and the cold desert regions of the northern Tibetan Plateau, ranging from 13, 000 to 20, 000 feet (4, 000 to 6, 100 meters) in elevation, according to the IUCN.

MSN: Wild yaks are back �� at least in the Tibetan Plateau

With an email to friends and family, I started a book drive and a year later in 1999, I returned to Bahundanda to deliver on my promise, bringing with me 3, 000, books via a convoy of yaks.

FORBES: Connect