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True horns are found mainly among: Ruminant artiodactyls. Antilocapridae ; Bovidae (cattle, goats, antelopes etc.). Giraffidae: Giraffids have a pair of skin covered bony bumps on their heads, called ossicones. Cervidae: Most deer have antlers, which are not true horns due to lacking a bone core and made of keratin.
The horns also make the animals a prized game trophy, which has led to the near-extinction of the two northern species. As an introduced species Between 1969 and 1977, the New Mexico Department of Game and Fish in the US intentionally released 95 gemsbok into its state's White Sands Missile Range [ 14 ] and that population is now estimated ...
A decisive shift in description concerned the horn: where Al-Biruni had stuck to the short, curved horn, later writers made it a long, straight horn, which was shifted in artists' representations from the animal's nose to its brow. [2]
The Arabian oryx' coat is an almost luminous white, the undersides and legs are brown, and black stripes occur where the head meets the neck, on the forehead, on the nose, and going from the horn down across the eye to the mouth. Both sexes have long, straight or slightly curved, ringed horns which are 0.61–1.49 m (2–4.9 ft).
Males have a horn sheath about 12.5–43 cm (5–17 in) (average 25 cm or 10 in) long with a prong. Females have smaller horns that range from 3–15 cm (1–6 in) (average 12 cm or 4 + 1 ⁄ 2 in) and sometimes barely visible; they are straight and very rarely pronged.
Gemsbok are widely hunted for their spectacular horns that average 85 cm (33 in) in length. From a distance, the only outward difference between males and females is their horns, and many hunters mistake females for males each year. In males horns tend to be thicker with larger bases. Females have slightly longer, thinner horns.
On this frill, it had at least 20 horns including an asymmetrical pair of curved blade-shaped ones, each about two feet (61 cm) long. Those are the largest frill horns ever observed on a dinosaur.
The horns are 76 to 81 cm (30 to 32 in) long, and almost straight, with only a slight backwards curve. Unlike in most other hippotragine antelopes, but like those of other oryxes, those of the fringe-eared oryx are parallel with the upper surface of the animal's snout. The horns are similar in males and females, and have an average of 16 rings ...