This role reversal is new among the songbirds.

This role reversal is new among the songbirds. These results suggest that women. Singing compete with other women, and that intrasexual selection may be greater in women than in men.

Breeders andgbird Sings Out Male conspecifics during simulated territorial intrusionsBirdsong is a model system for animal communication studies, but our knowledge is biased heavily on male birds.We strongly studied function of the female vocals in the strip-headed Sparrow and found that during simulated territorial intrusions from a female, male or duet pair, women play a leading role in the singing field playing defense and overall response than in men..Perform cause or to to to such differences contain but are not limited to, failed to accelerate the development and launch heart monitor and other biomedical devices that Signalife technology to get failure of the federal or state level official permits through A heart monitoring and other biomedical device to complete bounded accordance Signalife technological , inability to patient or Gross acceptance of of Cardiothoracic monitor and other biomedical including Signalife technological and the nonavailability of Finance on the plans and goals obtained complete including development of heart supervision and other biomedical inclusion Signalife technological.