الخميس، 16 أبريل 2015

jerboa

Jerbuaaat (scientific name: Dipodidae) subfamily of the night rodents that live in the desert and prairie exists in most of the Arab countries are active at night to search for food. A length of 13-25 cm.
Color desert soil that surround it to camouflage any light brown as the color suede desert while that has divided the lower white-colored, which lives in burrows up to a depth of 40-75 cm (for storing food) and 2 to 2.5 m (Summer Bayat). And give birth to a female partner and breastfeed and raise their young that are eye-closed for five weeks to rely on itself after about nine weeks of her birth, she is giving birth three times a year and the duration of her pregnancy about twenty-five days.
The most common types of small Egyptian Alerbua (scientific name: Jaculus jaculus), one of the rodents that do not drink the water and rely on moisture and grain plants that covered, so be concentrated urine. The exercise of this type of rodent type of spending the night in the summer months extreme heat.
Featuring Alerbua strong background Bergelh, which enables him to jump long distances up to 3 meters when accelerates during his escape from predators. There are those who hunt shrew to eat little meat.
The English name for the animal "jerboa" derived from the Arabic word for the gerbil, or the Hebrew name for the animal itself "ירבוע = gerbil."
The Alerbua of rodents beautiful desert is a nice configuration looks like a mouse but longer than a man and a deaf and long Hoarabh heading in all directions like mustaches never help him to feel the threat ... fast movement being closest to jump, high jump way Kalkengr has up his jump to a meter rise due to the elasticity legs In this capacity, he is one of the fastest desert animals.
Alerbua enjoy the social sense, where members of the same group can identify them by their sense of smell when they are in a state of captivity. Alerbua characterized by rapid movement and running to be able to escape from his enemies and dispose of them in his lap to move away from long distances and then come back to him after the danger has passed in the opposite direction.
Long tail round swirled on some of longer than a body length and at the end thick black hair is used for balance when jumping and change its direction of travel, adding that his upside huge when compared to the size of his body and eyes niches prominent surrounded by top white halo also has the senses of smell and hearing Hadtan to protect it from The danger that the ears and Taiwiltan Diktan to top Tstjiban sharp voices.
Man Alerbua Taiwiltan saying they are powerful and there are in each one, and only three fingers between the fingers grow long hair as well as the bottom of the feet shall be has what looks like a pillow that relieve his unit blows his feet when he jumps over long distances. She said his hands Gosairtan ending each one with five fingers and has teeth in the upper and lower jaws.
Feeds on the roots and shoots of young plants, grains and some insects do not drink the water as it gets by eating green plants where can live without drinking water for long periods and if he wants to drink water, he dunks his limbs forehand and then Belagaha instead of drinking water immediately.
Known for Alerbua he spends most of the day asleep in his hole digging a burrow where the front limbs in sandy soil sliding toward depth of up to two meters in the form of corridors connected to each other. Female put Alerbua called Da'mul twice a year and have two to four Tredahm and their host several weeks strange that young Alerbua leave the burrow without irreversible after the age.

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