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Friday, May 27, 2011

Uromastyx_Common lizard of Arabian Desert

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Desert LizardThe Uromastyx is a genus of lizard whose members are better-known as Spiny-tailed lizards, uromastyxs, mastigures, or dabb lizards. Uromastyx are primarily herbivorous, but occasionally eat insects, especially when young. They spend most of their waking hours basking in the sun, hiding in underground chambers at daytime or when danger appears. Their size ranges from 25 cm (10 in) to 91 cm (36 in) or more. Hatchlings or neonates are usually no more than 7–10 cm (3–4...

Friday, May 20, 2011

Endangered Forest _ Symbolize of nature

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Most endangered forest around the world A typical forest is composed of the overstory (or upper tree layer of the canopy) and the understory. The understory is further subdivided into the shrub layer, herb layer, and sometimes also moss layer. In some complex forests, there is also a well-defined lower tree layer. Forest are central to all human life because they provide a diverse range of resources, they store carbon, aid in regulating our climate, purify water and mitigate natural hazards such...

Friday, May 13, 2011

Rarest Bird’s _ Almost extinct

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Some of rarest bird’s around the world Birds live and breed in most terrestrial habitats and on all seven continents, reaching their southern extreme in the Snow Petrel's breeding colonies up to 440 kilometers (270 mi) inland in Antarctica. The highest bird diversity occurs in tropical regions. It was earlier thought that this high diversity was the result of higher speciation rates in the tropics, however recent studies found higher speciation rates in the high latitudes that were offset...