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 Giant Otter (Pteronura brasiliensis) is an amphibious, mammalian carnivore native to South America. About the length of an adult human being, it is the longest member of the mustelidae, or weasel family, a globally successful group of predators. Unusually for a mustelid, the Giant Otter is a social species, with family groups typically supporting three to eight members. The groups are centred around a dominant breeding pair and are extremely cohesive and cooperative. Although generally peaceful, the species is territorial and aggression has been observed between groups. The Giant Otter is exclusively active during daylight hours. It is the noisiest otter species and distinct vocalizations have been documented that indicate alarm, aggressiveness, and reassurance. The Giant Otter ranges across north-central South America, although its distribution has been greatly reduced and is now discontinuous. The species was listed as endangered in 1999 and population estimates are typically below 5,000 in the wild. The Guianas are the last real stronghold for the species. Decades of poaching for its velvety pelt, peaking in the 1950s and 1960s, decimated population numbers. Habitat degradation and loss is the greatest current threat. The Giant Otter is also rare in captivity: as of 2003, only 60 animals were held.
...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?
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.
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.
Female topi (Damaliscus lunatus jimela) in the Queen Elizabeth National Park in Uganda. A subspecies of the common tsessebe antelope, the topi is native to several countries in eastern Africa and lives primarily in grassland habitats, ranging from treeless plains to savannas. It is a tall species, with individuals ranging in height from 100 to 130 cm (39 to 51 in) at the shoulder. Predators of topi include lions and spotted hyenas, with jackals being predators of newborns.
An Indian palm squirrel (Funambulus palmarum) photographed in Bangalore, India. In India these squirrels are associated with the Hindu deity Rama, an avatar of Vishnu, and as such are not to be harmed. However, in Western Australia they are considered pests and at times targeted for eradication.
A male lion (Panthera leo) lying down in Namibia. One of the four "big cats" in the genusPanthera, the lion is the second largest cat, after the tiger. Males weigh between 150-250 kg (330-550 lb), and are easily recognizable by their manes. Though they were once found throughout much of Africa, Asia and Europe, lions presently exist in the wild only in Africa and India.
The southern plains gray langur (Semnopithecus dussumieri) is a species of Old World monkey native to the Indian subcontinent. It is about 62 cm (24 in) tall and lives in groups in various forest habitats, feeding mainly on leaves, fruit and flowers in the canopy, supplementing these with insects, gum, grasses, herbs and roots. The monkeys are considered sacred in India, and some are used by Hindu priests for religious purposes. They have adapted to living in close proximity to humans in urban settings; they are often fed by humans and accept cakes, millet, and other foods. The species is protected by law in India, but some are still persecuted for damaging crops, hunted for food and captured for pets.
This photograph of a female southern plains gray langur was taken in Kanha Tiger Reserve, in the Indian state of Madhya Pradesh. The park was created on 1 June 1955 and was designated a tiger reserve in 1973.
An adult and a juvenile olive baboon (Papio anubis) at Queen Elizabeth National Park, Uganda. The most wide-ranging of all baboons, the olive baboon inhabits savannas, steppes, and forests in 25 countries throughout Africa. This highly adaptable species is omnivorous, feeding on a large variety of plants, invertebrates, small mammals, and birds.
The polar bear (Ursus maritimus) is a hypercarnivorous bear whose native range lies largely within the Arctic Circle, encompassing the Arctic Ocean, its surrounding seas and surrounding land masses. A boar (adult male) weighs around 350–750 kilograms (770–1,650 lb), while a sow (adult female) is about half that size. Polar bears are the largest land carnivores currently in existence, rivalled only by the omnivorous Kodiak bear. Although it is the sister species of the brown bear, it has evolved to occupy a narrower ecological niche, with many body characteristics adapted for cold temperatures, for moving across snow, ice and open water, as well as for hunting seals, which make up most of its diet. Although most polar bears are born on land, they spend most of their time on sea ice. The species's scientific name, which is derived from this fact, means 'maritime bear'. Because of their dependence on sea ice, polar bears are categorized as marine mammals. Due to expected habitat loss caused by global warming, the polar bear is classified as a vulnerable species. For decades, large-scale hunting raised international concern for the future of the species, but populations have rebounded after controls and quotas began to take effect.
The Golden-mantled Ground Squirrel (Spermophilus lateralis) is a species of squirrel native throughout North America and can be found in a wide variety of forest habitats as well as rocky meadows, and even sagebrush flats. It can be identified by its chipmunk-like stripes and coloration, but unlike chipmunks, it lacks any facial stripes.
Drymoreomys is a genus of South American rodent represented by a single species, D. albimaculatus. First formally described in 2011, the species prefers dense, moist, montane and premontane forest. Morphological evidence suggests they are tree dwellers.
An Eastern Gray Squirrel (Sciurus carolinensis) eating a nut in St. James's Park, London. Although native to eastern North America, the species has been introduced into a variety of locations. In England, gray squirrels have mostly replaced native Red Squirrels and have no natural predators, which has added to their rapid population growth and has led to the species being classed as a pest.
A tabby is any cat that has a distinctive coat that features stripes, dots, lines or swirling patterns, usually together with a mark resembling an "M" on its forehead. Tabbies are not a cat breed, but a coat pattern found in many breeds of cat, as well as among the general mixed-breed population. The tabby pattern may be related to the coloration of the domestic cat's direct ancestor, the African Wildcat, which (along with the European Wildcat and Asiatic Wildcat) has a similar coloration. There are four genetically distinct tabby patterns: mackerel (shown here), classic, spotted, and ticked.
Off the coast of Juneau, Alaska, a group of 15 Humpback Whales works in tandem to catch herring using the bubble net feeding technique, in which they exhale through their blowholes, creating a ring of bubbles up to 30 m (100 ft) in diameter. The whales then suddenly swim upwards through the bubble net swallowing thousands of fish in each gulp.
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).
A female koala (Phascolarctos cinereus), an arborealherbivorousmarsupial native to coastal regions of eastern and southern Australia. The word "koala" comes from the Dharuk word gula. English-speaking settlers from the late 18th century first called it "koala bear" due to its similarity in appearance to bears, although they are not at all related. Instead, its closest living relative is the wombat.
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