The time has come for cats, so we are going to Africa for the eared representative - Serval.
Serval
The serval is a slender, medium-sized cat; it stands 54 to 62 cm (21–24 in) at the shoulder and weighs 8 to 18 kg (18–40 lb), but females tend to be lighter. The head-and-body length is typically between 67 and 100 cm (26–39 in). Males tend to be sturdier than females. Prominent characteristics include the small head, large ears, spotted and striped coat, long legs and a black-tipped tail that is around 30 cm (12 in) long. The serval has the longest legs of any cat relative to its body size, largely due to the greatly elongated metatarsal bones in the feet. The toes are elongated as well, and unusually mobile.
The coat is basically golden-yellow to buff, and extensively marked with black spots and stripes. The spots show great variation in size. Facial features include the whitish chin, spots and streaks on the cheeks and the forehead, brownish or greenish eyes, white whiskers on the snout and near the ears, which are black on the back with a white horizontal band in the middle; Three to four black stripes run from the back of the head onto the shoulders, and then break into rows of spots. The white underbelly has dense and fluffy basal fur, and the soft guard hairs (the layer of fur protecting the basal fur) are 5–10 cm (2.0–3.9 in) long. Guard hairs are up to 3 cm (1.2 in) long on the neck, back and the flanks, and are merely 1 cm (0.39 in) long on the face. The serval has a good sense of smell, hearing and vision.
The serval is similar to the sympatric caracal, but has a narrower spoor, a rounder skull, and lacks its prominent ear tufts. The closely set ears can rotate up to 180 degrees independently of each other and help in locating prey efficiently. The serval is active in the day as well as at night; activity might peak in early morning, around twilight and at midnight. Servals might be active for a longer time on cool or rainy days. During the hot midday, they rest or groom themselves in the shade of bushes and grasses. Servals remain cautious of their vicinity, though they may be less alert when no large carnivores or prey animals are around. Servals walk as much as 2 to 4 kilometres (1+1⁄4 to 2+1⁄2 miles) every night. Servals will often use special trails to reach certain hunting areas. A solitary animal, there is little social interaction among servals except in the mating season, when pairs of opposite sexes may stay together. The only long-lasting bond appears to be of the mother and her cubs, which leave their mother only when they are a year old.
Both males and females establish home ranges, and are most active only in certain regions ('core areas') within them. The area of these ranges can vary from 10 to 32 square kilometres (4 to 12 square miles); prey density, availability of cover and human interference could be significant factors in determining their size. Home ranges might overlap extensively, but occupants show minimal interaction. Aggressive encounters are rare, as servals appear to mutually avoid one another rather than fight and defend their ranges. On occasions where two adult servals meet in conflict over territory, a ritualistic display may ensue, in which one will place a paw on the other’s chest while observing their rival closely; this interaction rarely escalates into a fight.
Agonistic behaviour involves vertical movement of the head (contrary to the horizontal movement observed in other cats), raising the hair and the tail, displaying the teeth and the white band on the ears, and yowling. Individuals mark their ranges and preferred paths by spraying urine on nearby vegetation, dropping scats along the way, and rubbing their mouth on grasses or the ground while releasing saliva. Servals tend to be sedentary, shifting only a few kilometres away even if they leave their range.
The serval is vulnerable to hyenas and African wild dogs. It will seek cover to escape their view, and, if the predator is very close, immediately flee in long leaps, changing its direction frequently and with the tail raised. The serval is an efficient, though not frequent, climber; an individual was observed to have climbed a tree to a height of more than 9 metres (30 feet) to escape dogs. Like many cats, the serval is able to purr; it also has a high-pitched chirp, and can hiss, cackle, growl, grunt and meow.
The serval is a carnivore that preys on rodents, particularly vlei rats, small birds, frogs, insects and reptiles, and also feeds on grass that can facilitate digestion or act as an emetic. Up to 90% of the preyed animals weigh less than 200 g (7.1 oz); occasionally it also hunts larger prey such as duikers, hares, flamingoes and young antelopes. The percentage of rodents in the diet has been estimated at 80-97%. Apart from vlei rats, other rodents recorded frequently in the diet include the African grass rat, African pygmy mouse and multimammate mice.
The serval locates prey by its strong sense of hearing. It remains motionless for up to 15 minutes; when prey is within range, it jumps with all four feet up to 4 m (13 ft) in the air and attacks with its front paws. To kill small prey, it slowly stalks it, then pounce on it with the forefeet directed toward the chest, and finally lands on it with its forelegs outstretched. The prey, receiving a blow from one or both of the serval's forepaws, is incapacitated, and the serval bites it on the head or the neck and immediately swallows it. Snakes are dealt more blows and even bites, and may be consumed even as they are moving. Larger prey, such as larger birds, are killed by a sprint followed by a leap to catch them as they are trying to flee, and are eaten slowly. Servals have been observed caching large kills to be consumed later by concealing them in dead leaves and grasses. Servals typically get rid of the internal organs of rodents while eating, and pluck feathers from birds before consuming them. During a leap, a serval can reach more than 2 m (6 ft 7 in) above the ground and cover a horizontal distance of up to 3.6 m (11 ft 10 in).
Distribution
In North Africa, the serval is known only from Morocco and has been reintroduced in Tunisia, but is feared to be extinct in Algeria. It inhabits semi-arid areas and cork oak forests close to the Mediterranean Sea, but avoids rainforests and arid areas. It occurs in the Sahel, and is widespread in Southern Africa. It inhabits grasslands, moorlands and bamboo thickets at high altitudes up to 3,800 m (12,500 ft) on Mount Kilimanjaro. It prefers areas close to water bodies such as wetland and savanna, which provide cover such as reeds and tall grasses. In the East Sudanian Savanna, it was recorded in the transboundary Dinder–Alatash protected area complex during surveys between 2015 and 2018.
In Zambia's Luambe National Park, the population density was recorded as 0.1/km2 (0.26/sq mi) in 2011. In South Africa, the serval was recorded in Free State, eastern Northern Cape, and southern North West. In Namibia, it is present in Khaudum and Mudumu National Parks.
Conservation
The degradation of wetlands and grasslands is a major threat to the survival of the serval. Trade of serval skins, though on the decline, still occurs in countries such as Benin and Senegal. In West Africa, the serval has significance in traditional medicine. Pastoralists often kill servals to protect their livestock, though servals generally do not prey on livestock.
The serval is listed as least concern on the IUCN Red List, and is included in CITES Appendix II. It occurs in several protected areas across its range. Hunting of servals is prohibited in Algeria, Botswana, Congo, Kenya, Liberia, Morocco, Mozambique, Nigeria, Rwanda, Tunisia and South Africa's Cape Province; hunting regulations apply in Angola, Burkina Faso, Central African Republic, the Democratic Republic of the Congo, Ghana, Malawi, Senegal, Sierra Leone, Somalia, Tanzania, Togo and Zambia.
That's it for today. See you all next time.
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