Tag: "singing" at biology news
Hawaiian Whales Show 'No Overt Response' To Sounds Of ATOC Simulation
...od, and in at least one case, a humpback continued singing
very close to the speaker." Previous observations of ATOC transmissions at Pioneer Seamount, the California coastal site for the other ATOC speaker, also found no sign of disturbance among marine mammals, including elephant seals and several whal...
How Birds Sing
...e most detailed look yet at how the brain controls singing
in the zebra finch, which Margoliash calls the "white rat" of songbirds. Neurobiologists have used them extensively to study brain function. "It doesn't have the most beautiful song ," admits Margoliash. "It sounds like a squeaky door. But it's a wo...
Birds Deal With "Cocktail Party Effect"
...est during a springmorning, when all the birds are singing
at once. The findings are detailed in a paper to be published in theMarch issue of the Journal of Comparative Psychology. They mayhelp scientists analyze how animals and people accomplish thefeat and draw further parallels between human and non-...
High Testosterone Level May Lead Male Junco To Stray From Mate
...sterone may drive the behaviors -- suchas vigorous singing
-- that help males attract more females. It may alsoplay a role in males spending less time taking care of their own fledglings,according to the researchers. The exciting thing is the experimental demonstration that testosteroneunderlies how m...
Biggest Acoustics Meeting Ever
...ween the concurrent mating calls ("hums") of males singing
tothem together, Andrew Bass's lab at Cornell University ( firstname.lastname@example.org ) will present evidence that theregularly repeating acoustical "beats" produced by the concurrent hums get converted into rhythmicallytimed nerve signals in the brain, allowi...
Fish Love Songs/Whale Rhythms
...between the mating calls("hums") of numerous males singing
to them simultaneously, Andrew Bass's lab atCornell University (607-254-4330) will present evidence that the regularlyrepeating acoustical "beats" produced by the concurrent hums get converted intorhythmically timed nerve signals in the brain, allowi...
At Night, Birds May Review The Songs They Learn During The Day
...generated in regions of the brain when the bird is singing
its ownsong. If the patterns match, it would provide strong evidence that the bird'sbrain is "replaying" its song subconsciously as it sleeps....
Largest Acoustics Meeting In History Expected
...in a 1955 Warner Brothers cartoon, which showed it singing
a wide range of songs but never at the behestof it...cal signatures of joy, fear, anger, and sadness in singing
(5aMUb11). Tapio Lokki of the Helsinki University of Technology in Finland ( Tapio.Lokki@hut.fi ) w...
Brain neurochemicals, not gender, tell a female to act like a female
...shipman ( Porichthys notatus ), best known for its singing
in shallow salt water at mating time. Most of the noise comes from male midshipman fish of the type I variety, which vocalize for hours under rocks to attract females. When type I males' courtship songs are successful, females briefly visit the nes...
Cowbirds' winning songs reflect brainpower
...rutting their masculine feather colors or by their singing
ability. But the Cornell scientists have found that both songs and mating rituals correlate with the size of the cowbird brain. "The female cowbirds are looking only for your genes, so that if you're a male cowbird, you had better look darn good," ...
Hummingbird studies raise questions about birdsong evolution
...at humans learn to speak. Surprisingly, these singing
birds are not closely related to each other, and i... brain that parrots and songbirdsuse when they are singing
their learned vocalizations structures that aren't even present in non-vocal learning orders of bi...
Singing silently during sleep helps birds learn songs
...otyped song, and the brain structures that control singing
are highly specialized for this behavior. The re...undisturbed sleep. While the birds are awake and singing
the neurons fire in a pattern that is unique to the note and syllable components of each bird's indi...
When it comes to song, birds spot the similarity and difference
... white-crowned sparrows normally begin singing
- 67 percent of the birds sang their own mountain subspecies song. "Because two-thirds of the birds chose their own subspecies' song, it suggests the...
Female birds choose best singers to have smarter offspring
...ers have more elaborate brain structures (to learn singing
and other life skills), brains that the females hope their offspring will inherit. Reports linking sexual selection on the basis of song and the "heritability" of bigger brain structures in three different bird species were published this year by C...
Neuronal choir hums in unison to rivet brain's attention
In a crowded room of people talking, a few voices singing
in unison will quickly drown out the noise. NIMH scientists have discovered that the brain uses a similar principle to enable its neurons engaged in critically important tasks to win out over neurons essentially processing distractions. In the Feb...
Super hearing in flies may improve hearing aid technology
...lains Mason. But Ormia is a specialist at locating singing
crickets, on which they deposit tiny larvae that g...the crickets from the inside out. Ormia can detect singing
crickets using a unique set of eardrums that are located behind the head as reported in Science by H...
Fly on a treadmill demonstrates super directional hearing
...earing organ that allows them to detect and locate singing
male crickets -- where they climb aboard and deposit tiny larvae that develop into larger maggots while feasting on the crickets, from the inside out. First the flies must locate and home in on the chirping cricket, Hoy notes. But for tactical reas...
Unwanted HRT playing havoc with songbirds
...ds' brains, and found that the regions controlling singing
were highly developed in the oestradiol-fed females, though not in the controls. More significantly, the birds' ability to reproduce was severely affected. Finches given oestradiol produced fewer eggs and they had brittle shells. The number of hatch...
Male starlings sing a song of reproductive fitness
...ersity. Scientists have found that male starlings singing
ability is strong evidence of the health of their ... new finding may explain why female starlings take singing
talent into account when choosing their mates and is an important first step towards proving a decad...
Humanity's din could be blocking whales' courtship songs
...to the scientists, some whales spend a lot of time singing
during the krill feast. Special computer software,... were 21 males and 22 females. Only the males were singing
the very-low-frequency song. The song finding in fin whales ( Balaenoptera physalus ) undoubtedly a...