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Horns from cattle, water buffalo, and sheep are all used for commercial button making, and of other species as well, on a local and non-commercial basis. Horn combs were common in the era before replacement by plastic, and are still made. Horn needle cases and other small boxes, particularly of water buffalo horn, are still made.
The bighorn sheep (Ovis canadensis) [6] is a species of sheep native to North America. [7] It is named for its large horns. A pair of horns may weigh up to 14 kg (30 lb); [8] the sheep typically weigh up to 143 kg (315 lb). [9] Recent genetic testing indicates three distinct subspecies of Ovis canadensis, one of which is endangered: O. c. sierrae.
Rams have larger horns than ewes. The horns in two-horned sheep, and the lower horns in four-horned animals, grow in a spiral shape. The rostral set of horns usually extend upwards and outwards, while the caudal set of horns curls downwards along the side of the head and neck. On polycerate animals it is preferred that there is a fleshy gap ...
These sheep are about 1.5 m high and can weigh up to 110 kg. The female sheep have small, tan horns and the male sheep have larger horns that become more twisted as they age. The wool of Dall's sheep is almost pure white. [5] The sheep's horns grow fastest in warm weather and slowest in cold weather. This puts rings in the horns called annuli.
In the past century the sheep's colour has stabilised as "moorit", that is shades between fawn and dark reddish brown, though the colour bleaches in the sun. [6] Manx Loaghtan usually have four horns, but individuals are also found with two or six horns. [7] The horns are generally small on the ewes but larger and stronger on the males.
The European mouflon has a smooth hairy coat, the rams are fox red-brown in the summer, usually with a whitish saddle patch, the ewes are brownish. Both sexes are darker in winter. The rams have helix-shaped horns up to 80 cm long; females have no horns on Sardinia, but on Corsica they have smaller horns that are slightly curved towards the rear.
The Altai argali (Ovis ammon ammon) is the nominate (predominant) subspecies of argali, a large-horned wild sheep endemic to the highlands of the Altai Mountains of Central Asia. Altai argali are the largest sheep in the world, and also have some of the heaviest and most elaborate horns.
Rams weigh approximately 37 kg (82 lb), have a well-developed throat ruff and are usually horned. The horns are wide at the base, curve backwards, outwards and then forwards again, with a maximum of one and a half coils. Ewes weigh about 25 kg (55 lb) and are usually polled (hornless), but may have slender short horns.