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Horned gophers are extinct rodents from the genus Ceratogaulus, a member of the extinct fossorial rodent clade Mylagaulidae. Ceratogaulus is the only known rodent genus with horns, and is the smallest known horned mammal.
The royal antelope exhibits remarkable alertness, and consequently little is known about its behaviour. The animal will immediately seek cover if alarmed and flees as soon as the danger is very close. It can move swiftly, either by sprinting fast with the body low to the ground, or through strong leaps powered by the large, well-muscled hindlegs.
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.
A pair of horns on a male impala Anatomy of an animal's horn. A horn is a permanent pointed projection on the head of various animals that consists of a covering of keratin and other proteins surrounding a core of live bone. Horns are distinct from antlers, which are not permanent.
A dik-dik is the name for any of four species of small antelope in the genus Madoqua, which live in the bushlands of eastern and southern Africa. [1]Dik-diks stand about 30–40 centimetres (12–15.5 in) at the shoulder, are 50–70 cm (19.5–27.5 in) long, weigh 3–6 kilograms (6.6–13.2 lb) and can live for up to 10 years.
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. [16] Males are further differentiated from females in having a small patch of black hair at the angle of the mandible. Pronghorns have a distinct, musky odor.
The smallest penguin species is the little blue penguin (Eudyptula minor), which stands around 30–33 cm (12–13 in) tall and weighs 1.2–1.3 kg (2.6–2.9 lb). [74] The smallest bird of prey is the Black-thighed falconet (Microhierax fringillarius), with a wingspan of 27–32 centimetres (11–13 in), roughly the size of a sparrow. [75]
Chevrotains are the smallest hoofed mammals in the world. The Asian species weigh between 1–4 kg (2–9 lb), while the African chevrotain is considerably larger, at 7–16 kg (15–35 lb). The Asian species weigh between 1–4 kg (2–9 lb), while the African chevrotain is considerably larger, at 7–16 kg (15–35 lb).