Tag: "bat" at biology news

Human-Like Ability, Categorical Perception, Found In Insects

...o decision in a hurry, and ones that waffle become bat bait." For a cricket flying through the night air, life is a sound spectrum-filling cacophony, Wyttenbach said, but only two sound sources really matter: other crickets, calling at 4 to 5 kHz (4-5 kilohertz, the familiar chirping that is just above...

Biggest Acoustics Meeting Ever

...etics in Estonia ( stulov@ioc.ee ) argues that the bat can nonetheless detectfish easily, by broadcasting sonar of several different frequencies and comparing the results (2pAB7). Inseparate research, Peter Narins of UCLA ( pnarins@ucla.edu ) will describe new evidence that a frogemploys the electrical "...

Bat Sonar Sharper Than Thought; Much Better Than Man-Made Gear

...un experiments to record neural responses in bat brains that may account for the superior sonarreso...eturns a varying spectrum of reflected echoes. The bat uses this spectrum to achieve fine time resolution. The resolving power of a sonar imag...

Light Shed On Mystery Horse Disease

...s havebeen identified in Australia. The Australian bat lyssavirus was identified in 1996 after samples fr...to have died from the illness. A Rockhampton (Qld) bat carer died from the illness in 1996. A second fatalityoccurred yesterday, with the death of a woman ...

Largest Acoustics Meeting In History Expected

...rs will play audible versions of the sounds that a bat hears when it operates its sonar. Mueller and Kuc use the term "acoustic ecology" to describe their work on characterizing the bat'ssonic environment (2pAB8). --- A Real-Life WB Frog? In a rain forest in East Madagascar, Peter Narins of UCLA ( pna...

Controlling Problem Snakes: Saipan Benefits From USGS Research

...ts, as well asdevastating native bird, lizard, and bat populations. Scientists consider as pests both the non-native brown tree snake and the Habusnake because of their invasion and ecological takeover of habitats in Guam andJapan, respectively. "The snakes pose serious threats to humans and thebiologica...

Modern-day butterflies 'invented' by bats

...anam is quite remarkable," says Fullard. "Clearly, bat predators imposed a great selection pressure on the evolution of ears in this type of butterfly." By and large, butterflies are predominantly day-flying, say the researchers. It was thought that the daytime behaviour of butterflies was enough to prot...

Best bet for saving cave species

... example, deforestation around caves can decrease bat and rat populations, thus reducing the dung that many cave species depend on. Dung-dwellers account for an estimated 40% of the U.S. species that live only in caves. In addition, water-borne contaminants can persist for months in cave ecosyste...

Passport, please: A global strategy to curb invasive species

...ies of forest birds, 12 types of lizards and three bat species. Today, only one bat species remains, three forest birds and six native lizard species. Biodiversity loss, though devast...

Hendra virus has a growing family tree

...etic code of two viruses, one found in a Brazilian bat in 1979, and another that caused a brain disease in Mexican pigs in 1984. As the genetic analysis shows the two viruses are closely related, scientists believe the Mexican virus may have jumped to pigs from bats, as is believed to have happened with ...

'Bat-n-man'

...cter. But for a team of physiologists, the pallid bat can provide new clues into the structure and funct...e first survey of the primary auditory cortex of a bat that relies heavily on both echolocation and passive sound localization. The objectives of the inve...

Scientists urge that the patient physical should now include this advice: 'Get off the sofa and get active'

...ons are available today for TVs with cable and the bat and glove have been replaced by Game Boys and action-figure software. For many parents single and otherwise especially those who work outside the home, the greatest sense of security is when a child is safely rooted on the family sofa rather than o...

Stanford scientist seeks participants in NASA hypergravity study

...n deck. When he or she goes to the plate, a single bat will seem very lightweight and easier to swing.``...

Bat sonar and anti-submarine warfare

...t thirty feet. ONRs Bio-Sonar program supports the bat research of Brown University neuroscientist, Jim Simmons. Bats use sonar to find food and avoid obstacles much the way our military sonar systems would like to find and detect submarines and mines. Bats make sounds, listen to echoes, and then see o...

Research shows climate change could push bats northward

...e winter range of the North American little brown bat (Myotis lucifugus) to extend northward by approximately 5 km per year over the next century. First, the researchers established a direct link between the hibernation physiology of the bats and their habitat distribution in northern regions. In sho...

Guns, bats, and cash

...o people of Guam regard the flying fox - a type of bat that can grow up to a four foot wingspan as a del...certain important events. Women sometimes eat the bat as well, but only the breast meat. Yet, this delicacy may have been a leading cause of death for Ch...

Scientists invade Chicago

...ory hike to Powderhorn Lake 7 pm Bats 8 pm Sonic bat counting 9 pm Capture and observe nocturnal insects with black lights Saturday, Aug. 24 8 am Mammals (setting traps); Historical tour of culture, industry & ecology 9 am Live red-tailed hawk 10 am Hands-on control of invasive species 11 am Butte...

Science picks -- leads, feeds and story seeds (February 2003)

...otential disease transmission dynamics among urban bat colonies. David Ozman ( dozman@usgs.gov ) 303-202-4744. Got Boogie Board? Do Science! A scientific instrument mounted atop a boogie board a shortened surfboard is enabling USGS hydrologists to make more accurate measurements of the flow of sha...

Eating bats linked to neurological disease

...mple: wash and boil whole, and then eat the entire bat -- wings, brains, fur and all. Eating too many of... men than in women, and men like to eat the entire bat while women tend to eat only the breast meat. Finally, the incidence of the disease rose after peopl...

First descriptions of Indiana bat maternity roosts in the southern US

...earchers provide the first descriptions of Indiana bat maternity habitat in the southeastern United State...Michael Harvey and Eric Britzke. One of the first bat species recognized as endangered by the US Fish and Wildlife Service, Indiana bats hibernate in cave...

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