Dwarf blue sheep

Dwarf blue sheep

Bharal, Blue sheep

Kingdom
Phylum
Subphylum
Class
Order
Family
Subfamily
Genus
SPECIES
Pseudois schaeferi

The bharal (Pseudois nayaur ), also called the blue sheep, is a caprine native to the high Himalayas. It is the only member of the genus Pseudois. It occurs in India, Bhutan, China (in Gansu, Ningxia, Sichuan, Tibet, and Inner Mongolia), Myanmar, Nepal, and Pakistan. The Helan Mountains of Ningxia have the highest concentration of bharal in the world, with 15 bharals per km2 and 30,000 in total.

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Its native names include yanyang (岩羊) in Mandarin, bharal, barhal, bharar, and bharut in Hindi, na or sna in Tibetan and Ladakh, nabo in Spitian, naur in Nepali and na or gnao in Bhutan.The bharal was also the focus of George Schaller and Peter Matthiessen's expedition to Nepal in 1973. Their personal experiences are well documented by Matthiessen in his book, The Snow Leopard. The bharal is a major prey of the snow leopard.

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Appearance

These medium-sized caprids are 115 to 165 cm (45 to 65 in) long along the head-and-body, with a tail of 10 to 20 cm (3.9 to 7.9 in). They stand 69 to 91 cm (27 to 36 in) high at the shoulder. Body mass can range from 35 to 75 kg (77 to 165 lb). Males are slightly larger than females. Dense coat is slate grey in colour, sometimes with a bluish sheen. The underparts and backs of the legs are white, while the chest and fronts of the legs are black. Separating the grey back and white belly is a charcoal-colored stripe. The ears are small, and the bridge of the nose is dark. The horns are found in both sexes and are ridged on the upper surface. In males, they grow upwards, then turn sideways and curve backward, looking somewhat like an upside-down mustache. They may grow to a length of 80 cm (31 in). In females, the horns are much shorter and straighter, growing up to 20 cm (7.9 in) long.

Distribution

Geography

Dwarf blue sheep habitat map
Dwarf blue sheep habitat map
Dwarf blue sheep
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Habits and Lifestyle

The rutting of the bharal starts towards late November and continues until mid-January. During the rut, male bharal use multiple strategies for mating, namely tending, blocking, and coursing. Their lambs are born in late June and July.

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y scamper up to the precipitous cliffs, where they once again freeze, using camouflage to blend into the rock face. Population densities in Nepal were found to be 0.9–2.7 animals per km2, increasing to a maximum of 10 animals in the winter, as herds congregate in valleys.Bharal are mainly grazers, but during times of scarcity of grass, they switch to browsers, eating herbs and shrubs. A high degree of diet overlap between livestock (especially donkeys) and bharal, together with density-dependent forage limitation, results in resource competition and a decline in bharal density. Where they overlap, they are the favored prey of snow leopards, Himalayan wolves, and leopards, with a few lambs falling prey to foxes or eagles.

Rutting behaviour

The rutting of the bharal starts towards late November and continues until mid-January. During the rut, male bharal use multiple strategies for mating, namely tending, blocking, and coursing. Their lambs are born in late June and July.

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Population

Population threats

The bharal is categorised as Least Concern by the International Union for Conservation of Nature. The population faces threats - poaching for meat and competition with livestock. Poaching, however, is uncommon due to the unsuitable conditions of its habitat. Similarly, livestock do not generally frequent the mountainous regions where bharal occur; even if they do coexist, no notable detrimental effect on the bharal has been observed.

References

1. Dwarf blue sheep Wikipedia article - https://en.wikipedia.org/wiki/Dwarf_blue_sheep

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