The basic mammalian body type is quadruped, and most mammals use their four extremities for terrestrial locomotion; but in some, the extremities are adapted for life at sea, in the air, in trees, underground, or on two legs. Mammals range in size from the 30–40 mm (1.2–1.6 in) bumblebee bat to the 30 m (98 ft) blue whale—possibly the largest animal to have ever lived. Maximum lifespan varies from two years for the shrew to 211 years for the bowhead whale. All modern mammals give birth to live young, except the five species of monotremes, which are egg-laying mammals. The most species-rich group of mammals, the infraclass called placentals, have a placenta, which enables the feeding of the fetus during gestation.
Domestication of many types of mammals by humans played a major role in the Neolithic Revolution, and resulted in farming replacing hunting and gathering as the primary source of food for humans. This led to a major restructuring of human societies from nomadic to sedentary, with more co-operation among larger and larger groups, and ultimately the development of the first civilizations. Domesticated mammals provided, and continue to provide, power for transport and agriculture, as well as food (meat and dairy products), fur, and leather. Mammals are also hunted and raced for sport, kept as pets and working animals of various types, and are used as model organisms in science. Mammals have been depicted in art since Paleolithic times, and appear in literature, film, mythology, and religion. Decline in numbers and extinction of many mammals is primarily driven by human poaching and habitat destruction, primarily deforestation. (Full article...)
The Herdwick is a traditional breed of domestic sheep native to the mountainous Lake District of Cumbria in North West England. The name "Herdwick" is derived from the Old Norseherdvyck, meaning sheep pasture. Though low in lambing capacity and wool quality when compared to more common commercial breeds such as Merino sheep, Herdwicks are prized for their robust health, their ability to live solely on forage, and their tendency not to stray over the difficult upland terrain of the Lake District. An integral part of the cultural identity of the Lake District, the breed is for the most part found in the central and western dales of the region. Severely threatened by the 2001 outbreak of foot-and-mouth disease in England and Wales, the breed has survived due to the intent to preserve this unique animal as a crucial part of traditional Lakeland agriculture. Still far less in number than most commercial breeds, Herdwicks survive largely due to farming subsidies and the aid of the British National Trust for Places of Historic Interest or Natural Beauty.
...from its discovery by John Edward Gray in 1850 until a re-assessment in 1981, the Clymene Dolphin was regarded as sub-species of the Spinner Dolphin.
...the Australian Snubfin Dolphin (Orcaella heinsohni) is a recently recognised species of dolphin first described in 2005.
The Tasmanian Pademelon is the only species of pademelonendemic to Tasmania. Pademelons are the smallest of the macropods, which also includes kangaroos and wallabies. Males reach around 12 kg (26 lb) in weight, 1–1.2 m (3.3–3.9 ft) in height, and are considerably larger than the females, which average 3.9 kg (8.6 lb).
The Indian Palm Squirrel (Funambulus palmarum) is a squirrel native to India and Sri Lanka. It is relatively small, about the size of a rat, with three white stripes on its back from head to tail. According to Hindu legend, Lord Rama was so pleased with a squirrel's help in the construction of a bridge at Rameswaram that he stroked the squirrel's back and his fingers left their mark in the form of stripes.
The eastern bettong (Bettongia gaimardi) is a marsupial whose natural range includes south-eastern Australia (where it has been extirpated) and the eastern part of Tasmania. Sometimes referred to as a "rat-kangaroo", it is relatively small, rarely exceeding 2 kg (4.4 lb), but will travel up to 1.5 km (0.93 mi) from its nest to find food.
The cheetah (Acinonyx jubatus) is a large cat native to Africa and central Iran. Cubs are highly vulnerable to predators during the first few weeks of life, and predation is the leading cause of mortality among cheetah cubs. A study showed that in areas with a low density of predators (such as Namibian farmlands) around 70 per cent of the cubs survived beyond the age of 14 months, whereas in areas like the Serengeti National Park, where several large carnivores exist, the survival rate was just 17 per cent. This cheetah cub was photographed in the Phinda Private Game Reserve in KwaZulu-Natal, South Africa, amid long grass.
The term African elephant refers to elephants of the genus Loxodonta. Shown here is the African bush elephant (Loxodonta africana), one of two extant species and the largest living terrestrial animal, with males standing 3.2–4.0 m (10.5–13.1 ft) tall at the shoulder and weighing 4,700–6,048 kg (10,362–13,334 lb).
The meerkat (Suricata suricatta) is a small member of the mongoose family native to the Kalahari Desert of southern Africa. They are social animals, living underground in groups of 20 to 50 members. Although the name means "lake cat" in Dutch, meerkats are not cats, nor are they attracted to lakes.
The Short-beaked Echidna (Tachyglossus aculeatus), also known as the Spiny Anteater because of its diet of ants and termites, is one of four living species of echidna. The species is found throughout Australia, where it is the most widespread native mammal, and in coastal and highland regions of southwestern New Guinea.
The springbok is a medium-sized brown and white gazelle native to southwestern Africa. It stands about 70 to 90 cm (28 to 35 in) high and is known for its jumping ability, being able to leap 4 m (13 ft) in the air and over a distance of 15 m (49 ft). It is also a fast runner, capable of reaching speeds up to 96 km/h (60 mph). The springbok is the national animal of South Africa.
The leopard (Panthera pardus) is one of five extant species in the genus Panthera, a member of the cat family, Felidae. This photograph shows a leopard devouring an impala in Kruger National Park, South Africa. Compared to other wild cats, the leopard has a relatively large skull with powerful jaws, a long body and short legs. It can climb trees very skilfully, often rests on tree branches and can descend to the ground head first. An adult leopard is strong enough to drag a carcass heavier than itself up into a tree, where the prey may be eaten straight away or cached to be consumed later.
The head of a Rothschild's Giraffe (Giraffa camelopardalis rothschildi), a subspecies of giraffe found in Uganda and north-central Kenya. It has deep brown, blotched or rectangular spots with poorly defined cream lines and its hocks may be spotted.
A 2-month old domesticgoat (Capra aegagrus hircus) kid in a field of capeweed. Goats are one of the oldest domesticated species. For thousands of years, goats have been used for their milk, meat, hair, and skins over much of the world. Female goats are referred to as does or nannies, intact males as bucks or billies; their offspring are kids.
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