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Topic: Megabat


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Bat

  
  Megabat - Wikipedia, the free encyclopedia
Not all megabats are large: the smallest species is 6 cm (2 inches) long and thus smaller than some microbats.
Large megabats have to land in order to eat the fruits, while the smaller species are able to hover with flapping wings in front of a flower or fruit.
Because of their large size and somewhat "spectral" appearance, megabats are sometimes used in horror movies to represent vampires or to lend an aura of spookiness.
en.wikipedia.org /wiki/Megabat   (388 words)

  
 Megabat
While the microbats are distributed over all continents (excluding Antarctica), the megabats live only in tropical areas of Asia, Africa and Oceania.
In contrast to the microbats the megabats can't use echolacation.
Large megabats have to land in order to eat the fruits, while the smaller species are able to stand with flapping wings in front of a blossom or fruit.
www.ebroadcast.com.au /lookup/encyclopedia/ol/Old_World_fruit_bat.html   (262 words)

  
 Bat Webpages   (Site not responding. Last check: 2007-10-13)
Megabats are the larger of the two suborders.
The Megabat has fairly good eyesight and the Microbat has poor eyesight and have to use echolocation to hunt for their food like Shade and his friends (from the novel 'Silverwing').
Microbats are mostly insectivores and Megabats are mostly herbivores.
schools.sd68.bc.ca /coal/pg/silverwing/amandabat.html   (300 words)

  
 Flying Foxes
The handwing of a megabat and that of a microbat are so similar to each other, and so different from pterosaur or bird wings that it is easy to fall into a perceptual trap: the assumption that similar structures necessarily share a common origin.
In contrast, the megabat wing evolved from an antecedent which was moderately large (around 100 mm forearm length) and had metacarpal hand bones more similar in length to its finger bones, as in the living flying lemurs.
One of the predictions of this scenario for the evolution of megabats is that flying lemurs will prove to be bonafide primates too, even though they are presently placed in their own order.
www.aeroman.de /html/flying_foxes.html   (1174 words)

  
 de Flughunde Megabats constitute the suborder Megachiroptera within the order...   (Site not responding. Last check: 2007-10-13)
While the microbat microbats are distributed over all continents (excluding Antarctica Antarctica), the megabats live only in tropical areas of Asia, Africa and Oceania.
Most megabats have large eyes enabling them to orient in the twilight and in the caves.
In contrast to the microbats the megabats don't use echolocation echolocation though one species is the exception, the Egyptian fruit bat "Rousettus egyptiacus" which used high pitched clicks to navigate in caves.
www.biodatabase.de /Megabat   (356 words)

  
 Discover: The eyes have it: megabats are primates on LookSmart Junior High
Megabats, as their name implies, tend to be large--one, the giant flying fox, has a six-foot wing span--while microbats are small, with an average wing span of one foot.
Megabats flap their short, broad wings up and down; microbats rotate theirs.
On the upstroke, megabats cut the drag by clenching their fingers; micro bats turn the whole hand so as to slice through the air.
www.gradewinner.com /p/articles/mi_m1511/is_v7/ai_4263166   (591 words)

  
 Bat   (Site not responding. Last check: 2007-10-13)
Despite the name, not all megabats are larger than microbats.
Megabats eat fruit, nectar or pollen while microbats eat insects, blood (small quantities of blood of animals), small mammals, and fish, relying on echolocation for navigation and finding prey.
Young microbats become independent at the age of 6 to 8 weeks, megabats not until they are four months old.
colt.blogiston.com /Bat   (1970 words)

  
 bb   (Site not responding. Last check: 2007-10-13)
You might not know much about megabats, but here are some facts about them.
You probably never looked at a megabat, but they are mostly large.
Another thing you might find strange is that sometimes a megabat will fly up to 20 miles just to go to a favorite roost or a feeding place.
www.towson.edu /csme/mctp/StudentProjects/BatInfo/meg.htm   (183 words)

  
 Comparison of Bat and Bird Wings
The megabats are larger bats with simple ears and large, dog-like eyes.
The wing area of these fruit eating megabats is larger than their body size.
Due to the air resistance on its large wings, megabats appear to be slow and ponderous in flight.
wings.avkids.com /Curriculums/Bats/comparison_summary.html   (771 words)

  
 iqexpand.com   (Site not responding. Last check: 2007-10-13)
Stellaluna is one type of bat, a megabat.
Under the microscope, the affinities between megabat and lemur brains are so striking that it is quite difficult to tell them apart!
To them, a microbat is a “ fledermaus ”—a “flying mouse.” And a megabat is a “ flughund ”—a “flying dog.” This really hits the broad anatomical differences on the head.
megabat.iqexpand.com   (511 words)

  
 logan.hetrick_gulick: Christina   (Site not responding. Last check: 2007-10-13)
Megabats are found in tropical rain forests (like Australia and Africa).
Megabats have large eyes, simple ears, and simple noses.
Megabats either eat fruit or drink nectar from flowers, and sometimes look for food during the day instead of the night.
www.aaps.k12.mi.us /logan.hetrick_gulick/christina   (213 words)

  
 Megabats and Microbats--Science: Grades 1-3   (Site not responding. Last check: 2007-10-13)
Most megabats eat fruit and have a good sense of smell so that they can find ripened fruit.
Microbats are generally smaller than megabats with wingspans up to five inches (13cm).
Below the illustration have the child write the name of the bat (Example: Flying Fox), it's group name (Example: Megabat), and some characteristics of that particular bat that helps in classifying it either as a megabat or a microbat.
www.teachercreated.com /lessons/010216ps.shtml   (314 words)

  
 Megabat: Facts and details from Encyclopedia Topic   (Site not responding. Last check: 2007-10-13)
Megabats constitute the suborder Megachiroptera within the order Chiroptera (bat (Nocturnal mouselike mammal with forelimbs modified to form membranous wings and anatomical adaptations for echolocation by which they navigate)
the megabats live only in tropic (Either of two parallels of latitude about 23.5 degrees north and south of the equator representing the points farthest north and south at which the sun can shine directly overhead and constituting the boundaries of the torrid zone or tropics)
Megabats are herbivorous (In zoology, an herbivore is an animal that is adapted to eat primarily plant matter (rather than meat)....)
www.absoluteastronomy.com /ref/megabat   (1416 words)

  
 BATS! continued   (Site not responding. Last check: 2007-10-13)
There are two kinds of bats, megabats and microbats, but there are one thousand species.
The microbats use echolocation, Megabats use eyesight and smell.
The only megabat that uses echolocation is the Flying Fox.
users.ameritech.net /whereits/rckbats2.htm   (229 words)

  
 Natural History Collections: What do Bats Look Like
The largest bat, the Indonesian flying fox (a megabat), may have wingspans of up to six feet (two meters), while the tiny bumblebee microbats of Thailand weigh only 2g and would feel the same in your hand as a 10p piece!
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 regions.
Megabats, on the other hand, have large and complex eyes - the expression "as blind as a bat" does not apply to fruitbats!
www.nhc.ed.ac.uk /index.php?page=24.134.166.169.178   (345 words)

  
 funeral.html~
In Pteropus there is a clear decussation in retino-tectal pathway to the midbrain..a primate characteristic, found unexpectedly in a megabat, that was the impetus for the last decade's resurgence of interest in the old primate-bat connection first raised by Linnaeus.
Given the evidence linking megabats to primates, it would be a realistic expectation that any method addressing the bat problem would make a reasonable fist of the primates, whose monophyly has never been questioned, but which are scattered all over the trees put forward in this paper.
Yet examination of the thalamus or the pyramidal tract or hippocampus or brainstem auditory nuclei (qualitative characters in the terminology of this group) enables this distinction easily to be made.
www.uq.edu.au /nuq/jack/funeral.html   (2652 words)

  
 Curriculum Vitae
  Because of an earlier proposal that megabats are an evolutionary sister group to primates, we were interested to see if megabats displayed the primate pattern of CB and PV distribution in their visual system.
  We found that, in the megabat lateral geniculate nucleus (LGN), CB is found in cells throughout the nucleus and PV is found in cells located adjacent to the optic tract.
  The distribution of these proteins in megabat V1, however, was very similar to the pattern that is observed in almost all mammals where PV and CB label separate populations of GABAergic cells.
www.psy.vanderbilt.edu /faculty/casagrande/CasagrandeLab/Jenncv.html   (1536 words)

  
 Pteropus livingstonii, Comoro black flying fox - Animals, Mammals at The Natural History Museum, London   (Site not responding. Last check: 2007-10-13)
Livingston's flying fox, also named after its habitat of the Comoro Islands in the Indian Ocean, belongs to the Pteropodinae subfamily within Pteropodidae; the single family of the suborder Megachiroptera of megabats.
Megabats are 'old world fruit bats' that inhabit only the tropical continents.
The large eye sockets of the skull are typical of megabats, who rely on their eyes for navigation since (except for the Egyptian fruit bat) they do not have the echolocating ability of microbats.
owen.nhm.ac.uk /piclib/www/image.php?cat=2&img=92390   (149 words)

  
 Pettigrew, Dr. John D., 1986. Are Flying Foxes Really Primates? . BATS. Vol 3, No 2:1-2.
Megabats have the advanced pathway from eye to midbrain.
(includes a discussion of the idea that megabats and microbats are likely derived from separate evolutionary lines).
Pettigrew's discovery that flying foxes may be primates was published in the March 74, 7986 issue of SCIENCE.
www.batcon.org /batsmag/v3n2-1.html   (1510 words)

  
 Rediscovering Biology - Online Textbook: Unit 3 Evolution and Phylogenetics
The studies proposed that the large fruit-eating Megachiroptera (megabats) were actually more closely related to primates than they were to the smaller insect-eating Microchiroptera (microbats).
For example, Loren Ammerman and David Hillis sequenced mitochondrial DNA sequences from many mammals, including two species of microbats, two species of megabats, a tree shrew, a primate, and several outgroups.
From their data, the most parsimonious tree that assumed bat monophyly was ten steps shorter than the most parsimonious tree that assumed bats were not monophyletic.
www.learner.org /channel/courses/biology/textbook/compev/compev_6.html   (495 words)

  
 Wildcare Flying Foxes   (Site not responding. Last check: 2007-10-13)
Some microbats spend their days deep within caves while others rest beneath bark on trees and in man-made structures such as houses and buildings.
Megabats, or fruit bats as they are often called, are usually a lot larger in size with a wingspan of up to 1 metre.
They truly are remarkable and intelligent animals and many wildlife carers have found the experience of rescuing and caring for sick and injured bats to be one of the most rewarding jobs.
www.wildcare.org.au /html/flyingfox01.htm   (2521 words)

  
 96-97 YLP-mini units
Students will observe facial features of microbats and megabats.
Students will compare and contrast the wingspans of Microbats and Megabats.
Did they conclude that megabats are generally larger than microbats?
www.ed.uiuc.edu /YLP/96-97/96-97_mini_units/Bats_MClaeys/centers.html   (889 words)

  
 Web Quest Evaluation   (Site not responding. Last check: 2007-10-13)
I had already previewed the web quest prior to this so I knew exactly what I thought they should focus on.
The first assignment the students were to complete was to compare the similarities and differences of the megabat and microbat.
There was a megabat link that was very resourceful as was the microbat link.
faculty.tamu-commerce.edu /espinoza/ETEC557/002/wq/dagen.html   (611 words)

  
 logan.hetrick_gulick: Daniel   (Site not responding. Last check: 2007-10-13)
Megabats are large and some times look like foxes or dogs so they are also called flying foxes.You should eat fruit or drink nectar from flowers.
You help the world because without Megabat there would be no figs,peaches, and dates.
You should hang from your foot because other bats will think you are crazy.
www.aaps.k12.mi.us /logan.hetrick_gulick/daniel   (123 words)

  
 9th Australasian Bat Conference, 2000
Field trips have been organised for the days each side of the conference - megabat activities on the days before (1-2 April) and  microbat the weekend after (6-7 April).
If anyone would prefer that his or her address/phone number/fax number/email address is not included, please indicate this on the Registration Form.
Hugh Spencer has a range of microbat and megabat activities he can offer as well as a tour of the research facilities.
www.csu.edu.au /.WWW/batcall/abs/conference2002/ABSCONF_2002.htm   (1318 words)

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