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Sylvia A

Bat - Wikipedia, the free encyclopedia - 0 views

en.wikipedia.org/Bat

bat wikipedia

shared by Sylvia A on 05 Dec 08 - Cached
  • the only mammals naturally capable of flight
  • Bats are mammals
  • Megabats eat fruit, nectar or pollen
  • ...19 more annotations...
  • microbats eat insects, blood (small quantities of the blood of animals), small mammals, and fish
  • Mother bats usually have only one offspring per year
  • they are viviparous
  • Young microbats become independent at the age of 6 to 8 weeks
  • At the age of two years, bats are sexually mature
  • megabats not until they are four months old
  • A single bat can live over 20 years
  • Most microbats are active at night or at twilight
  • Bats rarely fly in rain
  • the rain interferes with their echo location
  • Only three species sustain themselves with blood.
  • Only 0.5% of bats carry rabies
  • Bats have very small teeth and can bite a sleeping person without being felt
  • Bats are closely associated with vampires
  • Bats are also a symbol of ghosts, death, and disease
  • Chinese lore claims the bat is a symbol of longevity and happiness
  • the bat is a trickster spirit
  • In Western Culture, the bat is often a symbol of the night and its foreboding nature
  • A measure of the success of bats is their estimated total of about 1,100 species worldwide, accounting for about 20 percent of all mammal species.
Haley Herebia

Polar Bears Proposed for U.S. Endangered Species List - 0 views

news.nationalgeographic.com/...061227-polar-bears.html

polar bears endangered species arctic

shared by Haley Herebia on 03 Dec 08 - Cached
  • Haley Herebia on 03 Dec 08
     
    US considering putting polar bears to the US endangered species list
Dani Wiener

Wolf Species and Sub Species - 0 views

www.alaska.net/...wolf_species.html

wolf species sub-species

shared by Dani Wiener on 03 Dec 08 - Cached
  • Dani Wiener on 03 Dec 08
     
    PLP Website
Ann Thomas

Alley Cat Rescue � The National Cat Protection Association - 0 views

www.saveacat.org/communitybenefits.html

shared by Ann Thomas on 10 Dec 08 - Cached
  • Feral cats can minimize rodent problems. While cats cannot hunt rats and mice into extinction, they can keep their populations in check and discourage new rodents from moving into the area. Often feral cats fill in a gap in the current ecosystem. For example bob cats or lynx used to live up and down the East Coast but were hunted ruthlessly and driven away by development. Feral cats are similar in size and behavior to these native feline predators and help to control the same species of small prey animals. Many people enjoy watching feral cats and observing animals has been shown to lower blood pressure in medical studies. People who help to care for feral cats by feeding them and taking them to the vet enjoy many benefits. Often cat caretakers are elderly and live alone, a population at risk for depression, loneliness, and isolation. Cats relieve these conditions and often bring a sense of happiness and purpose to people who help them. Just as companion animals have been shown extend life expectancies, lower blood pressure, and relieve stress, caring for feral cats improves the health of their caretakers. Individuals who cannot take on the full time commitment of adopting a companion animal can participate in programs to help feral cats. This provides a viable alternative to irresponsibly purchasing an animal one is not prepared to care for. An established, stable, vaccinated, and sterilized colony of feral cats will deter other stray and feral cats from moving into the area. This actually decreases the risk that residents will encounter an unvaccinated cat, and will virtually eliminate problem behaviors like fighting and spraying.
  • Ann Thomas on 10 Dec 08
     
    1. Feral cats can minimize rodent problems. While cats cannot hunt rats and mice into extinction, they can keep their populations in check and discourage new rodents from moving into the area. Often feral cats fill in a gap in the current ecosystem. For example bob cats or lynx used to live up and down the East Coast but were hunted ruthlessly and driven away by development. Feral cats are similar in size and behavior to these native feline predators and help to control the same species of small prey animals. 2. Many people enjoy watching feral cats and observing animals has been shown to lower blood pressure in medical studies. 3. People who help to care for feral cats by feeding them and taking them to the vet enjoy many benefits. Often cat caretakers are elderly and live alone, a population at risk for depression, loneliness, and isolation. Cats relieve these conditions and often bring a sense of happiness and purpose to people who help them. Just as companion animals have been shown extend life expectancies, lower blood pressure, and relieve stress, caring for feral cats improves the health of their caretakers. 4. Individuals who cannot take on the full time commitment of adopting a companion animal can participate in programs to help feral cats. This provides a viable alternative to irresponsibly purchasing an animal one is not prepared to care for. 5. An established, stable, vaccinated, and sterilized colony of feral cats will deter other stray and feral cats from moving into the area. This actually decreases the risk that residents will encounter an unvaccinated cat, and will virtually eliminate problem behaviors like fighting and spraying.
Tucker Haydon

Koala info. 3 - 0 views

en.wikipedia.org/Koala

shared by Tucker Haydon on 03 Dec 08 - Cached
  • The word koala comes from Dharuk gula. Although the vowel /u/ was originally written in the Latin alphabet as "oo" (in spellings such as coola or koolah), it was changed to "oa" possibly due to an error.[3] The word is erroneously said to mean "doesn't drink"
  • The scientific name of the Koala's genus, Phascolarctos, is derived from Greek phaskolos "pouch" and arktos "bear". Its species name, cinereus, is Latin and means "ash-coloured"
Sylvia A

Chiroptera - 0 views

tolweb.org/Chiroptera

chiroptera bat

shared by Sylvia A on 08 Dec 08 - Cached
  • One unique feature of bats is their modified forelimbs, which support a wing membrane (patagium). The basic elements of the mammalian limb are present in bats, although the relative sizes of most bones and muscles differ from those of nonflying mammals. The most elongated parts of the limb are those of the hand (metacarpal bones) and fingers (phalanges). The primary functions of these bones in bats is to provide support for the patagium and control its movements.
  • Numerous blood vessels and nerves are present throughout the wing membrane. Bats also have five unique muscles present in the patagium, and use additional muscles in the chest and back to move the wings up and down.
  • The most obvious difference between bird wings and those of bats is that bird wings are made of feathers, not a skin membrane. Birds have an elongated arm, but do not have elongated fingers like bats. Additionally, the muscles used in both the upstroke and downstroke are found in the chest of birds, while the upstroke muscles are on the back in bats (Fenton, 1983).
  • ...7 more annotations...
  • The orientation of the hindlimb is also unique to bats. The hip joint is rotated 90° so that the legs project sideways and the knee faces almost backwards. Due in part to the rotation of the hindlimb, the walking motion of bats differs from other tetrapods, often appearing awkward. The hindlimb is designed to support the patagium in flight and allow the bat to roost hanging from its hindlimbs. Most bats have a tendon system in the toes that locks the claws in place so the bat can hang upside down even when asleep.
  • The body of a bat is ventrally compressed with a short neck region. The bones tend to be slender and light-weight. The majority of the body weight is concentrated in the chest region due to the large flight muscles.
  • The overall shape of the head varies more in bats than within most other groups of mammals. Some bats have very elongated muzzles while others have broad, short faces. There is a correlation between the shape of the head and the type of food eaten. For example, most nectar feeders have long, narrow muzzles that are good for reaching into flowers, while many fruit eaters have short, broad faces good for biting rounded fruits (Hill and Smith, 1984).
  • The ears range from small and round to large and pointed, and often have a cartilaginous fold (tragus) present at the notch of the ear. There is additional variation in the nasal and lip regions of bats. Some bats have complex noseleafs, folds, or wrinkles on their muzzles.
  • A major misconception about bats is that they are blind. This idea originated from the fact that bats are able to successfully maneuver in the dark and often have small eyes. While some bats do have very small eyes (most Microchiroptera) many have large and complex eyes (Megachiroptera).
  • Bats usually have black or brown fur, although the fur can also be gray, white, red, or orange. In some species there are stripes on the face or down the back, or patches of white on the face or above the shoulder. The length of the fur also varies among species from short and dense to long and fluffy. The wing membrane is usually dark in color, although it may have white on the tips or be a lighter color around the bones in the membrane. A few bats have white or pale yellow wings. There are also little hairs on the membrane itself. These hairs can be the color of the wing or the same color as the body.
  • The bat monophyly hypothesis states the Megachiroptera and Microchiroptera are each others closest relatives in an evolutionary sense (i.e., they form a clade).
Sylvia A

Facts about bats: mammals - 0 views

www.essortment.com/...factsaboutbat_ocv.htm

bat mammals

shared by Sylvia A on 12 Dec 08 - Cached
  • There are more than 1,000 species of bats in the world! They live on every continent of the world, except Antarctica. Bats do not live in areas where it is very hot or very cold, and there are some remote islands that are not home to bats.
  • Bats are mammals. They account for more than 25 percent of all the mammals on the earth! Bats are the only mammals that can fly.
  • Mother bats have one baby in their litter. The baby bats are called “pups.” When a pup is born, it usually has no hair and its eyes are closed. It clings to the mother bat and drinks milk from her. When the pup is about four months old, it learns to fly.
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  • Depending on the species, bats can be gray, brown, white or reddish brown.
  • Bats have teeth and chew their food. Seventy percent of all bats eat insects. One bat can eat more than a thousand insects in one hour!
  • The largest bats have a wingspan of more than six feet. However, most are smaller.
  • Many people do not like bats and are afraid of them because they think all bats have rabies. Rabies is a virus that is transmitted to animals and people through animal bites. A study by the University of Florida has shown less than one-half of 1 percent of all bats have rabies. It is more likely for a person to be bitten by an unvaccinated dog or cat.
  • People also think vampire bats will try to attack humans. That is simply not true.
  • Bats are not a danger to people and are actually quite valuable. Very few carry rabies, and they help to control the insect population. They also help seed new plants and pollinate our crops!
keanu Dickinson

WWF - Polar Bear - WWF: A Leader in Polar Bear Conservation - 0 views

www.worldwildlife.org/...polarbear.html

shared by keanu Dickinson on 04 Dec 08 - Cached
    • keanu Dickinson
      keanu Dickinson on 04 Dec 08
       
      Antartica is melting away its hard enough for every animals there how it is but now poeple are helping them die.
  • With 20-25,000 polar bears living in the wild, the species is not currently endangered, but its future is far from certain.
keanu Dickinson

Endangered Species - 0 views

www.nowpublic.com/...Endangered+Species

shared by keanu Dickinson on 09 Dec 08 - Cached
    • keanu Dickinson
      keanu Dickinson on 09 Dec 08
       
      i think its somthing in the water that makes them wash up.
Aloysius Utomo

WWF - Giant Panda - 0 views

www.worldwildlife.org/...panda.html

shared by Aloysius Utomo on 25 Nov 08 - Cached
  • 26-83 pounds of bamboo a day
  • Population: Approximately 1,600 individuals in the wild
  • Chinese government had established over 50 panda reserves
  • ...10 more annotations...
  • 4,000 square miles and over 45 percent of remaining giant panda habitat
  • around 61 percent of the population, or about 980 pandas, are under protection in reserves
  • 1,600 individuals estimated to remain in the wild.
  • white coat with black fur around their eyes, on their ears, muzzle, legs and shoulders
  • The unique physical features of the species include broad, flat molars and an enlarged wrist bone that functions as an opposable thumb
  • Giant pandas are classified as bears
  • 5 feet long from nose to rump, with a 4-6 inch tail
  • adult panda can weigh about 220-330 pounds
    • Aloysius Utomo
      Aloysius Utomo on 04 Dec 08
       
      WWF = World Wildlife Fund
  • habitat is found at the top of the Yangtze Basin
Bo Li

Gorilla Protection » New park to save the most endangered gorilla species - 0 views

gorilla.wildlifedirect.org/...ost-endangered-gorilla-species

shared by Bo Li on 08 Dec 08 - Cached
  • The new park called Takamanda National Park is a transboundary park that protects the 115 cross river gorillas (a third of the worlds population)
Sylvia A

Bat World - 0 views

www.batworld.org/...myths_facts.html

bat facts

shared by Sylvia A on 08 Dec 08 - Cached
  • Bats are not flying mice; they are not even remotely related to rodents. Bats are such unique animals that scientists have placed them in a group all their own, called 'Chiroptera’, which means hand-wing. Bats are grouped with primates and lemurs in a grand order called Archonta.
  • Bats are not blind. Most bats can see as well as humans. Fruit bats have eyesight that is adapted to low-light, much like cats. Fruit bats also see in color.
  • If a bat swoops toward you, it’s probably after the mosquito that is hovering just above your head -  not your hair.
  • ...4 more annotations...
  • Bats are not ugly or dirty. Most bats have very cute faces, some even resemble deer, rabbits, and little Chihuahuas. Like cats, bats spend an enormous amount of time grooming their fur, keeping it soft and silky.
  • Not all bats are vampires.  Of the world’s 1100+ species, only three are vampire bats limited mostly to Latin America. Vampire bats are very small (about the size of a package of M&Ms). Vampire bats do not attack humans or suck our blood; they prefer to get their teaspoon-sized meals from other animals.
  • Bats are wild animals, and all wild animals can be dangerous. Additionally, grounded bats are more likely to be sick so they should never be rescued bare-handed.
  • Bats are shy, gentle, and intelligent. They are among the slowest reproducing animals on earth. Most bat species have only one live young per year.
keanu Dickinson

WWF - Marine Turtles - Three of the seven existing species of marine turtle are critica... - 0 views

www.worldwildlife.org/...marineturtles.html

shared by keanu Dickinson on 04 Dec 08 - Cached
    • keanu Dickinson
      keanu Dickinson on 04 Dec 08
       
      What did the turtles do to YOU?
  • Many offspring, few survivors
Diana Davis

Grolier Online - 0 views

go.grolier.com

shared by Diana Davis on 01 Dec 08 - Cached
  • only living member of the family Phascolarctidae, in the order Diprodontia, class Mammalia.
  • eastern Australia
  • skull is flattened on the sides
  • ...16 more annotations...
  • one offspring
  • live more than 10 years in the wild
  • Of the 350 species of eucalyptus, moreover, koalas will eat the leaves of only 20 and prefer those of just 5 species.
  • slow moving and defenseless
    • lora ardoin
      lora ardoin on 04 Dec 08
       
      hihi
  • its headquarters is in New York City.
  • The NHL was founded in 1917.
  • the Edmonton Oilers, New England Whalers (now the Carolina Hurricanes), Quebec Nordiques (now the Colorado Avalanche), and Winnipeg Jets (now the Phoenix Coyotes). The NHL now has 30 teams.
  • The Montreal Canadiens have been the NHL's most successful team, winning the Stanley Cup 22 times through 2004.
  • The most common type of ovarian cancer is epithelial, accounting for approximately 90% of all ovarian cancers. Epithelial ovarian cancers appear to arise from the surface of the ovary and spread by shedding cancer cells, which are then implanted throughout the lower abdomen. The disease usually spreads without notable symptoms, accounting for the fact that over 70% of epithelial ovarian cancers are diagnosed after the tumor has already spread beyond the ovaries. The other types of ovarian cancer are germ cell and sex cord–stromal tumors.
  • Epidemiologic studies have shown that risk factors for developing this cancer include increased age, never giving birth, infertility, a history of breast cancer or endometrial cancer, and a family history of ovarian cancer.
    • Kristine Abiera
      Kristine Abiera on 05 Dec 08
       
      ppl decorate with evergreen trees, mistle toe
    • Kristine Abiera
      Kristine Abiera on 05 Dec 08
       
      Old English Christes Maesse history of christmas
    • Kristine Abiera
      Kristine Abiera on 05 Dec 08
       
      Western church-December 25 Eastern church-January 6 celebrated in a twelve-day festival
  • Rap music is a combination of rhymed lyrics spoken over rhythm tracks and pieces of recorded music and sounds called samples, taken from older records.
    • Ariel Bonnee'
      Ariel Bonnee' on 09 Dec 08
       
      rap is rhymed lyrics spoken over rhythm tracks mixed together
  • Rap music is a combination of rhymed lyrics spoken over rhythm tracks and pieces of recorded music and sounds called samples, taken from older records.
  • Sara Espinosa on 03 Dec 08
     
    grolier
  • Beau Wells on 03 Dec 08
     
    the NFL's first superbowl winner
  • Diana Davis on 04 Dec 08
     
    telling about the most common ovarian cancerand how you might have a chance of getting it
Sylvia A

Bats In The Desert Southwest - 0 views

www.desertusa.com/...du_bats.html

bat desert

shared by Sylvia A on 05 Dec 08 - Cached
  • Bats are often thought of as flying mice,but they are more closely related to primates, including humans, than they are to mice.
  • the bat's body is covered by hair, with the exception of its wings.
  • Vampire bats don't suck blood. They make a small incision and lap up the blood of their hosts.
  • ...12 more annotations...
  • A bat will eat half its weight in insects in a single night.
  • Fewer people have died from bat rabies during the past 40 years than have died from dog bites or bee stings in a single year.
  • Although the bat is not blind, its eyes are best adapted to seeing in the dark, and see in only black-and-white.
  • The thumbs of the forefoot are small, equipped with sharp claws and not connected to the membrane.
  • Bats are very shy creatures and like most wild animals, avoid contact with humans while going about their business of eating, reproducing and avoiding predators.
  • When a bat returns to its roost for its upside-down sleep, it will spend as much as 30 minutes cleaning itself before settling down to sleep.
  • Some species of bats prefer to live alone in trees.
  • Nearly all bats that live in the United States feed on insects.
  • Mating may occur two or even three times a year
  • Bats have many natural enemies and large numbers of them die while still young.
  • The most significant causes of premature bat death, however, are the activities of people.
  • Bat droppings (guano) support entire ecosystems of unique organisms, including bacteria useful in detoxifying wastes, improving detergents and producing gasohol and antibiotics.
Stephania D

Lake Microbes - 0 views

dsc.discovery.com/...arsenic-bacteria-lake.html

Arsenic water polllution lake

shared by Stephania D on 03 Dec 08 - Cached
  • A deadly toxin, arsenic is known for its ability to end life.
  • Since the 1990s, scientists have discovered about 20 species of bizarre bacteria that "breathe" arsenic.
  • They are typically found in environments where oxygen is scarce and have been forced to survive on whatever strange substance is easily available.
  • ...4 more annotations...
  • "Just like you and I inhale oxygen and breathe out carbon dioxide, these bugs breathe in Arsenic +3 and breathe out Arsenic +5,"
  • Arsenic +3 is the most poisonous form of the element, because it acts much like phosphorous.
  • Most life on Earth needs phosphorous to build the molecule adenosine triphosphate (ATP), which supplies cells with energy. Arsenic can substitute for phosphorous and upset the ATP molecule, essentially starving cells to death.
  • n the arsenic-rich, oxygen-poor waters of Mono Lake, Oremland and a team of researchers found that bacteria turn the lethal toxin to their advantage through photosynthesis.
  • Stephania D on 03 Dec 08
     
    Thrive on Arsenic
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