The Weasel is a small-sized carnivorous mammal that is found on every continent with the exception of Australia and it's surrounding islands, along with the more hostile polar regions. There are numerous Weasel species that all vary in size, colour and slightly with their behaviours depending on where in the world they live. The Common Weasel (also known as the European Weasel and the Least Weasel) is the most wide-spread and can be found across much of the northern hemisphere. These tiny but vicious predators are the smallest carnivorous mammals in the world growing to no more than 6 inches from their nose to the tip of their tail. Weasels belong to the mustelid family of carnivores and are
Bison or buffalo are large, even-toed ungulates in the genus Bison within the subfamily Bovinae
Two extant and four extinct species are recognized. Of the four extinct species, three were North American: Bison antiquus, B. latifrons, and B. occidentalis. The fourth, B. priscus, ranged across steppe environments from Western Europe, through Central Asia, East Asia including Japan,and onto North America.
The American bison and the European bison (wisent) are the largest terrestrial animals in North America and Europe. Bison are good swimmers and can cross rivers over half a mile (800 meters) wide. They are nomadic grazers and travel in herds. The bulls leave the herds of females at
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The yak is a herd animal found in the mountainous regions of central Asia. The yak tend to gather in herds from 10 yaks to 100 yaks, most of which are female. There are only a few male yaks per herd.
Although there is a large domestic population of yak, there are only a few wild yak remaining . The yak is still used in many parts of central Asia, for pulling heavy farm machines and transporting large loads through the mountain passes.
The average male yak can grow to about 2meters tall, with the female yak being about 1/3 the size of the male yak. All yak have very long hair to keep them warm.
The yak belongs to the same cow family as the Asian water buffalo, the African bu
