Results 261 to 270 of about 9,518 (290)

Exploration Of Vocal Repertoire In Performance

2019
This project consists of a 25-minute vocal recital accompanied by a written component. The vocal recital includes repertoire from each of the four main periods of music history (Baroque, Classical, Romantic, and Contemporary) and works in English, Italian, French, and German.
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Vocal communication in a songbird with a novel song repertoire

Behaviour, 2008
Why do individuals in many songbird species sing multiple song types? Previous studies have often described the current utility of possessing a vocal signal repertoire, but this may not explain why repertoires evolve. We looked for repertoire function in black-capped chickadee (Poecile atricapillus) populations with a song type repertoire that is ...
David Gammon, Melinda Hendrick, Myron Baker   +2 more
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The Vocal Repertoire of the Bullfrog (Rana Catesbeiana)

Behaviour, 1968
Abstracti. The vocal repertoire of bullfrogs maintained in laboratory terrariums in a semi-natural environment consisted of a distinct set of stereotyped calls. Each call could be readily identified with specific patterns of behavioral activity, thus indicating the significance represented by each of these sounds. 2.
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Vocal Repertoire of the King Rail (Rallus elegans)

Waterbirds, 2019
Auditory callback is the standard method for monitoring rails and other secretive marsh birds that live in concealing habitats. Due to recent population declines, monitoring the King Rail (Rallus elegans) has become a conservation priority. Analysis of field recordings (n = 542 calls or notes) and behavioral observations were combined to provide an ...
Katie M. Schroeder, Susan B. McRae
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The Development of the Eastern Bluebird’s Vocal Repertoire

1962
The experimental bluebirds (Siala sialis) used in this study were taken from the wild at three main stages of development: the egg stage, the nestling stage, and the post-nestling juvenile stage. Thus, birds constituting the egg-stage category were placed in sound isolation as eggs soon after they were laid in the wild, those constituting the nestling ...
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[Vocal Repertoire of Cercopithecus-Cephus]

1978
9 types vocaux fondamentaux, comprenant 28 sons distincts ont été reconnus dans le répertoire de C. cephus. Mais les différentes catégories de sons, au sein d’un même type vocal ne sont le plus souvent que des réponses d’intensité différente, à un même type de situation, plutôt que des réponses distinctes à des situations de nature différente. Aussi la
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The vocal repertoire of Hyla crucifer

2019
A new, tapered call was discovered in the Hyla crucifer repertoire with the aid of a digital processing oscilloscope. The attack transient was found to be a distinguishing characteristic between the newly discovered tapered call and other calls. Energy requirements for production of the tapered call, peep and trill were calculated and the trill was ...
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The vocal repertoire of chipmunks (Genus Eutamias) in California

Animal Behaviour, 1976
Abstract A study of the vocalizations of chipmunks was conducted in the field and laboratory, utilizing sonagrams made from tape recordings, and observational data. Most observations were made on Eutamias townsendii, but interspecific variation in alarm calls was studied in all ten California species of Eutamias.
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Vocal repertoire in mouse pups: strain differences

2010
Abstract Ultrasonic calls emitted by mouse pups are whistle-like sounds with frequencies between 30 and 90 kHz. These signals play an important communicative role in mother-offspring interactions, since they elicit in the dam a prompt caregiving response. Both physical and social factors modulate ultrasound emission.
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The Vocal Repertoire of Male American Woodcock

The Auk, 1973
Samuel, David E., Beightol, Donald R.
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