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song in Biological News

Mosquitoes create harmonic love song before mating, study finds

ITHACA, N.Y. That pesky buzz of a nearby mosquito is the sound of love, scientists have known for some time. But a new Cornell study reports that males and females flap their wings and change their tune to create a harmonic duet just before mating. Cornell entomologists have discovered that male...

Is that song sexy or just so-so?

Why is your mate's rendition of Marvin Gaye's "Let's Get it On" cute and sexy sometimes and so annoying at other times? A songbird study conducted by Emory University sheds new light on this question, showing that a change in hormone levels may alter the way we perceive social cues by altering a s...

The song doesn't remain the same in fragmented bird populations

The song of passerine birds is a conspicuous and exaggerated display shaped by sexual selection in the context of male-male competition or mate attraction. At the level of the individual, song is considered an indicator of male quality. Paola Laiolo and colleagues at the Spanish Council of Res...

Eavesdropping comes naturally to young song sparrows

Long before the National Security Agency began eavesdropping on the phone calls of Americans, young song sparrows were listening to and learning the tunes sung by their neighbors. University of Washington researchers exploring how male song sparrows (Melospiza melodia) acquire their song reperto...

Bird song changes sound alarm over habitat fragmentation

Changes in bird song could be used as an early warning system to detect man-made ecological disturbances, new research published in the British Ecological Society's Journal of Applied Ecology has found. Although much previous research has focused on bird song and vocal mimicry, this is the first st...

Researchers see evidence of memory in the songbird brain

... CHAMPAIGN, Ill. When a zebra finch hears a new song from a member of its own species, the experience c... changes in gene activity after a bird heard a new song would quickly dissipate. The new experiments un...appears quickly just after a bird hears a recorded song but only if the...

A bad performance is better than no performance at all

...d from their parents and are raised apart from the song of conspecifics. Although these birds develop song... accept these abnormal songs of their parents as a song model was investigated by researchers around Sandr...reached the age of 60-70 days and thus had started song development already. Detailed...

Researcher garners major award from NIH for further exploration into the mechanisms of obesity

...MERIT award at Georgia State. The MERIT award extends NIH support under Bartness' current 5-year grant to 10 years. Recently, Bartness, with C. Kay song of Georgia State, and Gary J. Schwartz of the Albert Einstein College of Medicine, found that fat cells give feedback to the brain in order to regulat...

Songs raise awareness about aquatic invasive species

...sease (viral hemorrhagic septicemia) from spreading from an infected to a noninfected lake. Natural resource professionals reviewed the lyrics of each song to assure scientific accuracy and consistency with current laws in Wisconsin. The primary target audience for these songs are 35- to 55-year-old fi...

Songbird study from CSHL, CCNY provides concrete measure of biology's impact on culture

... raised in complete isolation do not sing the same song as they would if raised normally, i.e., among othe...ns, will introduce improvisations that bring their song into conformity with those of "wild-type" zebra fi...d in isolation, the young sing a raspy, arrhythmic song that's different from the...

CCNY, CSHL biologists find birdsong of isolates reverts to norm over several generations

...ecording demonstrates the progression from isolate song to "wild-type " song in two tutoring lineages and also in the isolate c...solation will, over several generations, produce a song similar to that sung by the species in the wild. ...

Remembrance of things past influences how female field crickets select mates

...cts to humans." Among field crickets, males use song as a long-range signal to attract females for mating. The females hear the males' song before they respond to a potential mate. "We fo...he researchers inferred that the females found the song attractive. Then, they manipulated a differen...

Female mammals follow their noses to the right mates

...possible that in some mammals, males produce olfactory signals that match the elaboration and complexity of the peacock's tail or the sedge warbler's song ," Clutton-Brock and McAuliffe write. ...

Researchers capture wave of brain activity linked to anticipation

...al bustle. "This now explains how it is that, even before an anticipated song is actually heard, a person can start to tap fingers, dance, or sing to the...CCS), at Georgetown University Medical Center. While it makes sense that song sequences can be memorized and thus anticipated by a listener, no one befor...

Why the swamp sparrow is hitting the high notes

...al performance by increasing the frequency range and the speed of its song. "Vocal performance was thought to be a static characteristicset once a song is learned," DuBois said. "Our results are the first to show that songbirds can modulate vocal performance, when it is important to do so." Theoreti...

NTU undergrad is first Singapore champion of an internationally acclaimed engineering competition

...ed and if there are any interested party willing to collaborate," said Prof Chen Yan. Another of Liu's project supervisor, Associate Professor Yeo song Huat, noted that he not only worked tirelessly on his project but displayed much enthusiasm and passion. "I have observed how Shiyu has grown over the...

The birds of Spain, in a digital ornithological encyclopedia

...l as the audiovisual resources accompanying each entry, the DVD offers a comparison tool that helps users distinguish between similar species by their song and physical appearance. TRAVEL AND ENJOY This section combines play and learning activities, with features including three workshops on obser...

Practice as well as sleep may help birds learn new songs

...animal model system, the developmental learning of song in songbirds, which long has been known to share f...hen young zebra finches listen to an adult tutor's song and then practice singing, the activity of premoto... activity carries information both about the tutor song and auditory feedback the birds hear while singing...

Dry spells spelled trouble in ancient China

... during one of China's "golden ages," the Northern song Dynasty. The ample summer monsoon rains may hav...the midsection of the country. During the Northern song Dynasty, rice first became China's main staple cro...showed that the ample summer rains of the Northern song Dynasty coincided with the beginning of the well-k...

Social interactions can alter gene expression in the brain, and vice versa

...eases in the forebrain of a zebra finch or canary just after it hears a new song from a male of the same species. This gene, egr1 , codes for a protein tha...team found this change in gene expression in response to a social signal a song from a potential competitor, something the bird would likely hear in nature...

A better way to make hydrogen from biofuels

... is now studying how to use the same catalyst with other liquid biofuels. Her coauthors on this presentation included Ohio State doctoral students Hua song and Lingzhi Zhang. ...

Songbirds may hold key to advances in treatment of brain degeneration

...loring zebra finchesvocal songbirds that use their song as a mating call. Among these birds, the males sin...but females can't. Male songbirds will learn their song from their father, and retain their song for life. Pre-synaptic boutons in many vertebra...

Birdsong not just for the birds

...', i.e. a high degree of reliability. Despite interference from rain, wind and amphibians the programme recognised, with a 92% detection accuracy, the song of a species of bird which is still found on the shores of the Baltic but which has become rare elsewhere in Europe. The birdsong detectors are as ...

From humming fish to Puccini: Vocal communication evolved with ancient species

...dshipman fish to the strains of a Puccini aria or, alas, even to the simplest Celine Dion melody. But the neural circuitry that led to the human love song not to mention birdsongs, frog thrums and mating calls of all manner of vertebrates was likely laid down hundreds of millions of years ago with the ...

When fish talk, scientists listen

...ial partner, he calls to nearby females by contracting his swim bladder, the air-filled sac fish use to maintain buoyancy. The sound he makes is not a song or a whistle, but a hum; more reminiscent of a long-winded foghorn than a ballad. Female midshipman find it very alluring, and they only approach a ma...

News tips from the Journal of Neuroscience

...ath In Vivo Christopher K. Thompson and Eliot A. Brenowitz The size of song nuclei in some songbirds varies with seasonal changes in androgen levels, g... Thompson and Brenowitz infused caspase inhibitors unilaterally into HVC, a song nucleus of white-crowned sparrows, using an osmotic pump mounted in a backp...

Killer whales, blind bats, discriminating dolphins, mating birds

...data collected to date have revealed numerous interesting birdsong patterns, evincing remarkable flexibility in different species, such as great tits, song sparrows, house finches, and European blackbirds. At the meeting, Slabbekoorn will present data for a new species able to shift the frequency of i...

Erich Jarvis named Howard Hughes Investigator

... to learn whether the genes simply maintain the cell structure and connectivity of the neurons in the brain, so later when the bird produces a learned song or we humans speak, the circuit remains intact. Alternately, the lab will try to learn whether the genes are being used to modify connections in the b...

It's a unisex brain with specific signals that trigger 'male' behavior

...ehavior. The researchers showed that a courting song and dance routine that only male flies naturally p... one wing is lifted and wiggled to make a humming song can also be triggered in female flies by artifici...h males and females, even though only males do the song and dance. Surprisingly, when the brain cells o...

Controlling schistosomiasis: buffalo or snails?

...orts are dedicated to treat or vaccinate water buffalo as a control measure against human S. japonicum infection. In a related perspective article, song Liang and Robert Spear, who were not involved in the study, discuss the findings and conclude that the modeling approach can be a useful tool in explo...

Studies to find better ways to preserve human eggs, ovarian tissue under way

... cells moves out gradually so they dehydrate,” Dr. song explains. But, for more complex structures, s...lop a robust technology and improve outcomes,” Dr. song says. Later, researchers will put ovarian tis...ors. As pieces of a puzzle come together, Dr. song notes scientists already are developing methods to...

Research says boiling broccoli ruins its anti-cancer properties

...and cooking of Brassica vegetables. The researchers, Prof Paul Thornalley from Warwick Medical School at the University of Warwick and Dr Lijiang song from the University of Warwick’s Department of Chemistry bought Brassica vegetables, (broccoli, Brussel sprouts, cauliflower and green cabbage) from a...

Genome of yellow fever/dengue fever mosquito sequenced

...Zhijian (Jake) Tu, associate professor in the Department of Biochemistry ( www.biochem.vt.edu ); James K Biedler, biochemistry postdoctoral associate; song Li, research specialist senior in biochemistry; and Monique Royer Coy, biochemistry graduate student; and Chunhong Mao, senior project associate with ...

Cambodian vulture nests offer hope for species

...e nests on top of a hill where two other vulture species were also found, one of which—the white-rumped vulture—is also 'Critically Endangered'," said song Chansocheat, manager of the Cambodia Vulture Conservation Project, a government project supported by WCS, BirdLife International, World Wildlife Fund,...

Computer scientists join in search for ivory-billed woodpecker

... catch any kind of bird, that's a success for us," song said. "But if it catches an ivory-bill, that's a b...With a grant from the National Science Foundation, song and Goldberg programmed ACONE to distinguish birds...ion's AV3100s. "It's a fast, flying object," song said. "And also, the shape of the object ?the shap...

Cities change the songs of birds

...males in territories with loud low-frequency noise used fewer low-frequency song notes compared to nearby individuals in quieter territories. That single-po...munication sounds are shaped by the environment. The authors point out that song divergence within a species as a result of such “environmental shaping?coul...

Fruit fly study identifies gene mutation that regulates sensitivity to alcohol

...this gene variant affected the behavioral response to substances of abuse, the researchers dubbed it white rabbit--a reference to the title of a 1960s song about drug-induced changes. "This study describes key molecular pathways and gene interactions that control alcohol sensitivity," said NIAAA Dir...

Hopkins researchers discover how brain protein might control memory

...dings are reported in two papers in the Nov. 9 issue of Neuron. The protein, called Arc, has been implicated in memory-linked behaviors ranging from song learning in birds to rodents being aware of 3-D space. In people, Arc may be one culprit behind certain long-term memory-based behaviors like drug add...

Sandia researchers discover way to see how a drug attaches to a cell

... Sandia National Laboratories researchers John Shelnutt and Yujiang song have discovered a better way to see where a drug attaches to a cell through...Nuclear Security Administration laboratory. In their paper Shelnutt and song describe a new way of producing porous, nanoscopic, hollow platinum spheres...

Singing for survival

... It is well known that animals use song as a way of attracting mates, but researchers have...t wild gibbons in Thailand have developed a unique song as a natural defence to predators. Literally singing for survival, the gibbons appear to use the song not just to warn their own group members but those...
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