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These ecosystems are either barren or with scanty vegetation consisting of mainly thorny bushes. Deserts are classified as warm (hot) and cold (temperate) deserts. The hot deserts are the Sahara in Northern Africa, Kalahari in Southern Africa, Thar in India, Atacama in South America, deserts of Mexico and Australia.The deserts of Iran and Turkey, Gobi desert of Mongolia, some deserts of Argentina are recognised as temperate or cold deserts. Characteristics of Desertsi) Most deserts receive some rain every year but not uniform. ii) Light green covering of annuals is seen just after rains.iii) Have scanty vegetation, clear skies, hot days and extremely cold nights. iv) Soil is rocky and encrusted with sand or salt.v) Long periods without precipitation and extreme temperature (50 - 60oC) conditions (arid lands) impose considerable restraints on the flora and fauna which inhabit there. vi) Sandy storms are very frequent.vii) Occur generally in rain shadow areas. Flora1) Includes succulents such as Cacti and Euphorbias, which can store water in their tissues. 2) Trees with long spreading roots such as Acacia, Prosopis, Phoenix (dates) are found.3) Ephemerals (short lived) such as Boerhaavia repens are seen only during rainy season. FaunaMost desert animals are nocturnal and avoid the heat of the day by burrowing into the cooler soil. Animals include ants, locusts, lizards, Gila monster, coral snake, rattle snake, burrowing owls, Gambel's quail, kangaroo rats, rabbits, camel, skunk, badger foxes, jackals and desert cats. In general, the organisms having specialised structural and physiological and behavioural adaptations to withstand the extreme temperatures only can survive in a desert.

The jaguar lives in biodiversity-rich regions of Central and South America. It prefers forest habitats and areas close to water sources (such as wetlands, rivers, lakes etc) as it loves water and is a great swimmer. For example, the Amazon River Basin and the wetland area of Pantanal in Brazil are home to important populations of jaguars (1).

The jaguar is a nocturnal animal – it hunts for prey mostly during the dark hours of the day. (3) Though we have heard of some recent evidence of the jaguar’s daytime hunting as well. (4) The jaguar is a very adaptable animal.

jaguars … hunt by stealth, ambushing their prey from dense cover. Long canine teeth and powerful jaw muscles enable them to kill large animals swiftly, often with a single bite to the nape.

The Yanomamo (Yah-no-mah-muh) also called Yanomamo, Yanomami and Sanuma (which means ‘Human Being') are deep jungle indigenous Indians living in the Amazon basin in both Venezuela and Brazil. The Yanomamo are believed to be the most primitive, culturally intact people in existence in the world. In spite of that, they exist within the modern period by use of technology which is well-adapted to their environment.

They number approximately 12,000 people and are distributed in some 125 widely scattered villages in the upper Amazon basin of Brazil and in the South of Venezuela (South America). They live in small villages that are separated by many miles of unoccupied land. The villages can be as small as 40 to 50 people or as large as 300 people grouped by families in one large communal dwelling called a Shabono; this disc shaped structure with an open-air central plaza is an earthly version of their god's Abode. The villages are autonomous but constantly will interact with each other. The quote following read in the book Yanomamo Warfare is intended to give more details about number of Yanomamo "The Yanomamo are by far the most numerous and best described of the four major divisions of Yanomamo. Population estimates put their numbers at 6,00

0 around 1970 (Migliazza 1972:34), at...

The Fer-de-lance strikes without warning, and its bite is often fatal to humans.  It is found in South and Central America and various islands of the West Indies, often near sugar plantations.  During the day the snake lies coiled, blending with its surroundings, but it's especially dangerous after sunset, when it wanders in search of prey.  The Fer-de-lance has a thick, reddish brown body.  It has a tapering tail that ends in a hard point.  It has a black stripe that runs from each eye to the neck, and its sides may be bright red.  The snake is usually about  5 ft long, but may grow to more than 7 ft. 

The boa constrictor is one of the largest snakes in the world, ranging in size from 10 to 14 feet long.  The boa is very large, but the anaconda in South America is larger.  Most boa constrictors live in Guiana and Brazil.  Boas defend themselves by striking.    The boa is a constrictor, which means it wraps around its prey tighter and tighter until their prey dies.  Whenever its prey breathes out, the boa wraps tighter.  After the prey has been constricted, the boa eats it whole.  Boas eat mice and rats, and occasionally a small deer. To eat bigger things (like deer), they stretch their mouths very wide by unhinging their jaws.  It can take several weeks for the boa to fully digest its food.     Boa constrictors vary in color from brown to gray.  A large female can give birth to as many as 50 young!  Boas use heat pits to sense their surroundings, because they have bad eyesight. 

The anaconda is an amphibious snake.  It gives birth to live young.   Some anacondas, which live in the water, can reach up to 30 feet in length!  The anaconda is most active at night.    Although they are not venomous, they defend themselves by inflicting severe bites, but kill by constriction.  They swim well and kill their prey by strangling them.  If that does not work, they drown them.  They are usually able to last two years without eating.  They feed on birds and small animals.  They will kill animals as large as jaguars.    The anaconda is the largest snake in the world.  This snake is in the boa family.  It is found in stream banks and swamps in South America, east of the Andes from Columbia and Venezuela to Northern Bolivia, and South Central Brazil.  There is little known about the anaconda.   

A Dwarf is a creature from Germanic mythologies, fairy tales, fantasy fiction, and role-playing games. It usually has magical talents, often involving metallurgy. The original concept of Dwarves is very difficult to determine. Sources have gradually given Dwarves more comical and superstitious roles[1]. Dwarves were certainly humanoid, but sources differ over their lifestyles, and their similarity to Elves. They may have had a strong associations with death[2][3]: paled skin; dark hair; connections with the earth; their role in mythology. They followed animistic traditions, showing similarities to such concepts of the dead. They were similar to others from the 'Vættir' family, such as Elves.[2]

Rackham. Grouping Mythological creature Fairy Country Northern Europe