Monday, July 31, 2006

 

Arabian Camel

Camels run like a giraffe with both legs on one side of the body moving simultaneously. The resulting rocking, shuffling gait gave rise to the term "Ship of the Desert". Camels have been used as beasts of burden for centuries. They are known for their loathing of men and forms of work and spit foul-smelling stomach contents when annoyed. Arabs utilize almost every portion of the body. Tents are made of camel-hair cloth. The flesh of young camel is said to taste similar to veal. Camel milk is nutritious and cheese is also made from it. Skin makes good leather. Dried bones are substituted for ivory. Dung is burned as fuel on the desert. The name "Dromedary" is properly reserved for the Arabian racing camel such as those used in the various military camel corps. These camels can travel 80 to 120 miles per day carrying a rider. Arabian baggage camels have a heavier build and are capable of carrying a 200 kg load up to 40 miles per day. There are 160 words for camel in Arabic.

Friday, July 28, 2006

 

Arabian Camel

Everything is adapted for life on the desert. Feet are broadened to walk on sand. Eyelashes protect eyes from wind-blown sand. Nostrils close to keep sand out. Lips are thickened to withstand the coarsest of desert plants. Coloration matches the environment. Callouses are present on knees and other parts of the body that touch the hot sand when the animal sits down. Hump is a flesh mound not supported by bones. A reserve of fat (not water) is stored in the hump. Hump size varies with food supply and working conditions. Can tolerate a rise in temperature of 12 degrees Fahrenheit. Able to drink brackish or salt water. Camels exhibit unusual tolerance for dehydration. Most animals perish when 20% of their body weight is lost whereas camels survive a 40% loss of body weight without serious consequences. Heavy fur and the fatty hump serve to insulate the body, preventing body temperature from rising to the sweating point (the major cause of water loss). When water again becomes available, camels are able to restore their body water quickly; they have been known to drink one third of their body weight in 10 minutes.

Sunday, July 23, 2006

 

Arabian Camel

Single hump. Head and body length: 10 feet. Shoulder height: 6-7 feet. Weight: 1000-1500 pounds. Body is carried on long, slender legs ending in two toes beneath which is a broad, callous and elastic pad. Neck and head are both elongated. Upper lip is deeply cleft. Short tail. Eyes are heavily lashed. Ears are haired. Nostrils are slit-like. Coloration is fawn or beige. Coat is smooth and shorter than that of the Bactrian camel, but equally woolly.
The exact range of the Arabian Camel will probably never be known. The species exists only in the domesticated state today in Arabia and has been introduced into other regions of the world.
Able to eat practically anything that grows in the desert, including salty plants rejected by other grazers. When hungry, will eat fish, meat, bones and skin. Diet in captivity includes hay and grains plus vitamin and mineral supplements.
During rutting season, the male protrudes a fleshy fold from his mouth and emits a loud, unpleasant roar. A single calf, rarely two, is born after a gestation period of 13 months. The calf can move freely by the end of the first day. The mother nurses the young for one year. Maturity is at 3-5 years. Life span is 30-40 years. Females may breed every other year.

Friday, July 14, 2006

 

Bobcat

Solitary, except during breeding season. Nocturnal where hunted, but often abroad during day in protected areas. Territories are not defended but are vigorously marked (especially by females) with feces, urine, anal gland secretions, ground scrapes and "scratching post" scrapes. Females maintain exclusive ranges, but male ranges may overlap and include those of several females. Females den in a cave, hollow log or stump. Annual litter of 2 or 3 young. Most kittens are born small, blind, and helpless in April or May after a gestation period of 60-70 days. The mother defends them, keeping the father away until the kittens are weaned at about two months. The male may then reappear to help the female collect food. Litter disbands in about six to nine months. Life span in wild 12+ years, in captivity up to 30 years.
Expert climbers and swimmers. Excellent hunters, having keen eyesight, but short-winded and unable to sustain an extended chase. The decorative-looking hairs on the ear tips serve as antennae, increasing the animal's ability to hear the slightest sound. If these tufts are removed, hearing declines. Bobcats have prominent ear spots which play an important part in aggressive posturing, possibly serving as eye mimics to give an impression of a wide and formidable head.

Bibliography:
Leopold, A. Starker, Ralph Gutierrez and Michael Bronson, 1981.

Sunday, July 02, 2006

 

Bobcat

Shoulder height: 19-22" (45-58 cm); weight: 12-26 pounds (4-15 kgs). Often confused with lynx, but with these differences: the bobcat has a longer tail with a black bar on the upper side fringed with white hairs; it also has shorter and more slender legs with small, less thickly furred paws and ear tufts less visible. Usual color is a shade of buff or brown spotted with dark brown and black. Buff bobcats are common in desert country; those from forests are darker. Females have 4 nipples.
Geograghical range:
Southern Canada, the entire United States (except the midwestern corn belt) and southward into Mexico. Prefers brushy woodlands but occurs sparingly from high mountains to desert. Common in California chaparral communities.
Diet varied but strictly carnivorous: rabbits, squirrels, mice, gophers, wood rats, chipmunks, as well as the eggs of ground-nesting birds and occasionally a lamb or young deer.

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