Monday, December 31, 2012

beautiful images of animal shrike bird gallery

Shrikes are medium-sized birds, up to 50 centimetres (20 in) in length, with grey, brown, or black and white plumage. Their beaks are hooked, like that of a bird of prey, reflecting their predatory nature, and their calls are strident.These birds known for their habit of catching insects and small vertebrates and impaling their bodies on thorns. This helps them to tear the flesh into smaller, more conveniently-sized fragments, and serves as a cache so that the shrike can return to the uneaten portions at a later time. This same behavior of impaling insects serves as an adaptation to eating the toxic lubber grasshopper (Romalea guttata). The bird waits for 1–2 days for the toxins within the grasshopper to degrade, and then can eat it. Shrikes are territorial, and these territories are defended from other pairs. In migratory species a breeding territory is defended in the breeding grounds and a smaller feeding territory is established during migration and in the wintering grounds.Where several species of shrike exist together competition for territories can be intense.They make regular use of exposed perch sites, where they adopt a conspicuous upright stance. These sites are used in order to watch for prey items and to advertise their presence to rivals. for cute pics....

Thursday, December 20, 2012

wallpapers of animals serval cats collections

The serval is a medium-sized cat, measuring 59 to 92 cm (23 to 36 in) in head-body length, with a relatively short, 20 to 45 cm (7.9 to 18 in) tail, and a shoulder height of about 54 to 66 cm (21 to 26 in),Weight ranges from about 7 to 12 kg (15 to 26 lb) in females, and from 9 to 18 kg (20 to 40 lb) in males.It is a strong yet slender animal, with long legs and a fairly short tail. Due to its leg length, it is relatively one of the tallest cats. The head is small in relation to the body, and the tall, oval ears are set close together. The pattern of the fur is variable. Usually, the serval is boldly spotted black on tawny, with two or four stripes from the top of the head down the neck and back, transitioning into spots. The "servaline" form has much smaller, freckled spots, and was once thought to be separate species. The backs of the ears are black with a distinctive white bar. In addition, melanistic servals are quite common in some parts of the range, giving a similar appearance to the "black panther" (melanistic leopard).
Its main habitat is the savanna, although melanistic individuals are more usually found in mountainous areas at elevations up to 3,000 metres (9,800 ft). The serval needs watercourses within its territory, so it does not live in semi-deserts or dry steppes. Servals also avoid dense equatorial jungles, although they may be found along forest fringes, they are able to climb and swim. for cute pics....

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