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Author |
Seyfarth, R.M.; Cheney, D.L. |
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Title |
The acoustic features of vervet monkey grunts |
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Journal Article |
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Year |
1984 |
Publication |
The Journal of the Acoustical Society of America |
Abbreviated Journal |
J Acoust Soc Am |
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Volume |
75 |
Issue |
5 |
Pages |
1623-1628 |
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Keywords |
*Acoustics; Animals; Auditory Perception; Cercopithecus/*physiology; Cercopithecus aethiops/*physiology; Cues; Dominance-Subordination; Female; Male; Social Behavior; Sound Spectrography; *Vocalization, Animal |
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Abstract |
East African vervet monkeys give short (125 ms), harsh-sounding grunts to each other in a variety of social situations: when approaching a dominant or subordinate member of their group, when moving into a new area of their range, or upon seeing another group. Although all these vocalizations sound similar to humans, field playback experiments have shown that the monkeys distinguish at least four different calls. Acoustic analysis reveals that grunts have an aperiodic F0, at roughly 240 Hz. Most grunts exhibit a spectral peak close to this irregular F0. Grunts may also contain a second, rising or falling frequency peak, between 550 and 900 Hz. The location and changes in these two frequency peaks are the cues most likely to be used by vervets when distinguishing different grunt types. |
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English |
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0001-4966 |
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PMID:6736426 |
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refbase @ user @ |
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703 |
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Author |
BAGTACHE B et al, |
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Title |
Paläontologie – Présence d`un Equus cacallin et d`une autre espéce nouvelle d`Equus dans l`Aterien des Allobroges, Agérie |
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Journal Article |
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Year |
1984 |
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C R Acad Sc Paris |
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298 |
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609-612 |
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from Professor Hans Klingels Equine Reference List |
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no |
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913 |
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Author |
DUNCAN P et al, |
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Title |
Reduction of inbreeding in a natural herd of horses |
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Journal Article |
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Year |
1984 |
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Abbreviated Journal |
Anim Beh av |
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32 |
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520-527 |
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from Professor Hans Klingels Equine Reference List |
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no |
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1034 |
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Author |
Eisenmann V, |
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Title |
Sur quelques caractères adaptatifs du squelette d`Equus et leurs implications paléoécologiques Bull |
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Journal Article |
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Year |
1984 |
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Bull Mus natn Hist nat Paris |
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6 |
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185-195 |
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Notes |
from Professor Hans Klingels Equine Reference List |
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no |
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Serial |
1054 |
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Author |
Eisenmann V, G.C. |
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Title |
Morphologie fonctionelle et environnement chez les périssodactyles. |
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Journal Article |
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Year |
1984 |
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Geobios, Mém sp |
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8 |
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69 |
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Notes |
from Professor Hans Klingels Equine Reference List |
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no |
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Serial |
1061 |
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Author |
Epstein H, |
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Title |
Ass, mule and onager |
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Book Chapter |
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Year |
1984 |
Publication |
In Manson: Evolution of domesticatd animals. |
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Pages |
174-184 |
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Notes |
from Professor Hans Klingels Equine Reference List |
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no |
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Serial |
1072 |
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Author |
HIGUCHI R et al, |
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Title |
DNA sequences from the quagga, an extinct member of the horse family |
Type |
Book Whole |
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Year |
1984 |
Publication |
Macmillan J. Ltd |
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Notes |
from Professor Hans Klingels Equine Reference List |
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no |
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Serial |
1183 |
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Author |
Kolter L, |
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Title |
Soziale Beziehungen zwischen Pferden und deren Auswirkungen auf die Aktivität bei Gruppenhaltung |
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Year |
1984 |
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Abbreviated Journal |
Diss. Köln |
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Notes |
from Professor Hans Klingels Equine Reference List |
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no |
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Call Number |
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Serial |
1324 |
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Author |
Lloyd P, |
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Title |
The Cape Mountain Zebra 1984 |
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Journal Article |
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Year |
1984 |
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Afr Wildl |
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38 |
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Pages |
144-149 |
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from Professor Hans Klingels Equine Reference List |
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no |
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Serial |
1347 |
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Author |
Penzhorn Bl, |
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Title |
A long – term study of social organisation and bhabiour of Cape mountain zebras |
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Journal Article |
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Year |
1984 |
Publication |
Zeitschrift für Tierpsychologie |
Abbreviated Journal |
Z. Tierpsychol. |
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Volume |
64 |
Issue |
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Pages |
97-146 |
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from Professor Hans Klingels Equine Reference List |
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no |
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Call Number |
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Serial |
1455 |
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