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 bobcat (Lynx rufus), occasionally known as the bay lynx, is a North American mammal of the cat family, Felidae. With twelve recognized subspecies, it ranges from southern Canada to northern Mexico, including most of the contiguous United States. The bobcat is an adaptable predator that inhabits wooded areas, as well as semi-desert, urban edge, and swampland environments. It persists in much of its original range and populations are healthy. With a gray to brown coat, whiskered face, and black-tufted ears, the bobcat resembles the other species of the mid-sized Lynx genus. It is smaller than the Canadian lynx, with which it shares parts of its range, but is about twice as large as the domestic cat. It has distinctive black bars on its forelegs and a black-tipped, stubby tail, from which it derives its name. Though the bobcat prefers rabbits and hares, it will hunt anything from insects and small rodents to deer and pronghorn antelope. Prey selection depends on location and habitat, season, and abundance. Like most cats, the bobcat is territorial and largely solitary, although there is some overlap in home ranges. It uses several methods to mark its territorial boundaries, including claw marks and deposits of urine or feces. The bobcat breeds from winter into spring and has a gestation period of about two months. Although the bobcat has been subject to extensive hunting by humans, both for sport and fur, its population has proven resilient. The elusive predator features in Native American mythology and the folklore of European settlers.
...that Scarlett the cat is a former stray cat whose efforts to save her kittens from a fire, at serious harm to herself, attracted worldwide media attention and has been related in a number of nonfiction books?
...that Dr. Johnson's cat Hodge has his own statue in Gough Square, London?
The European bison or wisent (Bison bonasus) is the heaviest of the surviving land animals in Europe, with males growing to around 1,000 kg (2,200 lb). European bison were hunted to extinction in the wild, but have since been reintroduced from captivity into several countries. This male is moulting, his winter coat coming off in clumps.
A female impala (Aepyceros melampus) photographed at Mikumi National Park, Tanzania. These medium-sized Africanantelopes inhabit savanna grasslands and woodlands close to water sources, feeding on grasses, forbs, monocots, dicots and foliage. They are fast runners and known for their leaping ability, reaching heights up to 3 m (10 ft).
A juvenile Bennett's Wallaby (Macropus rufogriseus rufogriseus), a subspecies of the Red-necked Wallaby, on Maria Island, east of Tasmania. Red-necked Wallabies can be found in the more temperate and fertile parts of eastern Australia. They can weigh 13.8 to 18.6 kg (30 to 41 lb) and attain a head–body length of 90 cm (35 in), with the island version slightly smaller.
The lar gibbon (Hylobates lar) is a primate found in South-East Asia. This endangered gibbon species is primarily a frugivore, but may also feed on leaves, flowers, and insects.
Several female black-faced impala drinking at a waterhole. Impalas are sexually dimorphic. Females can weigh 10 to 25 kilograms (22 to 55 lb) less than males and do not have horns.
The Cape ground squirrel (Xerus inauris) is a medium-sized rodent native to South Africa, Namibia and Botswana. They live in social groups of up to three adult females and several sub-adults. The species mainly inhabits arid or semi-arid areas, preferring velds and grasslands with compact soil, and can also be found in scrub, on floodplains and in agricultural areas. Males live independently, only joining groups when there is a female in estrus. Ever alert to danger, they can drive off predators such as snakes by engaging in mobbing behavior.
This picture shows two Cape ground squirrels photographed in the Namib desert near Solitaire, Namibia.
The skull of a black rhinoceros (Diceros bicornis), a critically endangered species of rhinoceros native to eastern and central Africa. The two horns on the skull are made of keratin, with the larger front horn typically 50 cm (20 in) long. Sometimes, a third, smaller horn may develop.
The Common Brushtail Possum (Trichosurus vulpecula) is the largest possum species and is perhaps the most widespread mammal in Australia. It grows to about 32–58 cm (13–23 in) in length, with an additional 24–40 cm (9–16 in) for its prehensile tail (seen here hanging below the branch). It is mainly a folivore, but has been known to eat small mammals such as rats. It is common in cities, having adapted well to human habitation.
The llama (Lama glama) is a domesticated South American camelid, widely used as a meat and pack animal by Andean cultures since the pre-Columbian era. A full-grown llama can reach a height of 1.7 to 1.8 metres (5 ft 7 in to 5 ft 11 in) at the top of the head, and can weigh between 130 and 200 kilograms (290 and 440 lb). At birth, a baby llama (known as a cria) can weigh between 9 and 14 kilograms (20 and 31 lb). Llamas typically live for 15 to 25 years, with some individuals surviving 30 years or more. This photograph shows a dam (female llama) and her cria at Laguna Colorada in Eduardo Avaroa Andean Fauna National Reserve, Bolivia.
The European hedgehog (Erinaceus europaeus) is a species of hedgehog found in a wide range of habitat types in western Europe. It is a well-known species, and a favourite in European gardens, both for its endearing appearance and its preference for eating a range of garden pests. While populations are currently stable across much of its range, it is thought to be declining severely in Great Britain.
A domesticated yak at Yamdrok Lake in Tibet. The animals are important to Tibetan culture, and have been kept for thousands of years. The yaks are a method of transportation and serve as beasts of burden. Their feces are a source of fuel, and their milk can be used for butter, which is then made into sculptures or consumed.
A portrait of an African elephant, highlighting its trunk. The trunk, which contains some 150,000 muscle fascicles, is a fusion of the nose and upper lip with a unique nerve running along both sides. An elephant can use its trunk for power functions, such as lifting up to 350 kg (770 lb), or more delicate functions, such as wiping its eye.
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