Showing posts with label animals. Show all posts
Showing posts with label animals. Show all posts

Anoa

Anoa are a subgenus of buffalo comprising two species native to Indonesia: the Mountain Anoa (Bubalus quarlesi) and the Lowland Anoa (Bubalus depressicornis). Both live in undisturbed forest, and are essentially miniature water buffalo, are similar in appearance to a deer, weighing 150–300 kg (330–660 lb). They live in deep rainforests.


Both are found on the island of Sulawesi in Indonesia; the Mountain Anoa is also found on the nearby island of Butung. They apparently live singly or in pairs, rather than herds, except when the cows are about to give birth. One young is born per year.

Both species of anoa have been classified as endangered since the 1960s and the population continues to decrease. It is believed unlikely that there are more than 5000 animals of each species remaining. Reasons for the decline of the anoa include hunting for hide, horns and meat by the local peoples (though they were rarely hunted in their native range before the introduction of modern firearms); and loss of habitat due to the advancement of settlement. Currently, hunting is the more serious factor in most areas.

Mountain Anoa are also known as Anoa de Montana, Anoa de Quarle, Anoa des Montagnes, Anoa Pegunungan, and Quarle's Anoa. Lowland Anoa are also known as Anoa de Ilanura or Anoa des Plaines. They are also called sapiutan (or sapi utan).

Lowland Anoa stand but little over a yard at the shoulder, and is the most diminutive of all wild cattle. It is most closely allied to the larger Asiatic buffaloes, showing the same reversal of the direction of the hair on the back. The horns are peculiar for their upright direction and comparative straightness, although they have the same triangular section as in other buffaloes. White spots are sometimes present below the eyes, and there may be white markings on the legs and back; and the absence or presence of these white markings may be indicative of distinct races. The horns of the cows are very small. The nearest allies of the anoa appear to be certain extinct buffaloes, of which the remains are found in the Siwalik Hills of northern India. In habits the animal appears to resemble the Indian buffalo.

Komodo Dragon

The Komodo Dragon (Varanus komodoensis) is a species of lizard that inhabits the islands of Komodo, Rinca, Flores, Gili Motang, and Gili Dasami, in central Indonesia. A member of the monitor lizard family (Varanidae), it is the largest living species of lizard, growing to an average length of 2–3 meters (approximately 6.5–10 ft) and weighing around 70 kilograms (154 lb). 


Their unusual size is attributed to island gigantism, since there are no other carnivorous animals to fill the niche on the islands where they live, and also to the Komodo dragon's low metabolic rate. As a result of their size, these lizards are apex predators, dominating the ecosystems in which they live. Although Komodo dragons eat mostly carrion, they will also hunt and ambush prey including invertebrates, birds, and mammals.

Mating begins between May and August, and the eggs are laid in September. About twenty eggs are deposited in abandoned megapode nests and incubated for seven to eight months, hatching in April, when insects are most plentiful. Young Komodo dragons are vulnerable and therefore dwell in trees, safe from predators and cannibalistic adults. They take around three to five years to mature, and may live as long as fifty years. They are capable of parthenogenesis, in which viable eggs are laid without fertilization by a male.

Komodo dragons were discovered by Western scientists in 1910. Their large size and fearsome reputation makes them popular zoo exhibits. In the wild their range has contracted due to human activities and they are listed as vulnerable by the IUCN. They are protected under Indonesian law, and a national park, Komodo National Park, was founded to aid protection efforts.

The Komodo dragon is also known as the Komodo Monitor or the Komodo Island Monitor in scientific literature, although this is not very common. To the natives of Komodo Island, it is referred to as ora, buaya darat (land crocodile) or biawak raksasa (giant monitor).