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Author Seyfarth, R.M.; Cheney, D.L.
Title The acoustic features of vervet monkey grunts Type Journal Article
Year 1984 Publication The Journal of the Acoustical Society of America Abbreviated Journal J Acoust Soc Am
Volume 75 Issue 5 Pages 1623-1628
Keywords *Acoustics; Animals; Auditory Perception; Cercopithecus/*physiology; Cercopithecus aethiops/*physiology; Cues; Dominance-Subordination; Female; Male; Social Behavior; Sound Spectrography; *Vocalization, Animal
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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ISSN 0001-4966 ISBN (up) Medium
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Notes PMID:6736426 Approved no
Call Number refbase @ user @ Serial 703
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Author BAGTACHE B et al,
Title Paläontologie – Présence d`un Equus cacallin et d`une autre espéce nouvelle d`Equus dans l`Aterien des Allobroges, Agérie Type Journal Article
Year 1984 Publication Abbreviated Journal C R Acad Sc Paris
Volume 298 Issue Pages 609-612
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Notes from Professor Hans Klingels Equine Reference List Approved no
Call Number Serial 913
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Author DUNCAN P et al,
Title Reduction of inbreeding in a natural herd of horses Type Journal Article
Year 1984 Publication Abbreviated Journal Anim Beh av
Volume 32 Issue Pages 520-527
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Notes from Professor Hans Klingels Equine Reference List Approved no
Call Number Serial 1034
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Author Eisenmann V,
Title Sur quelques caractères adaptatifs du squelette d`Equus et leurs implications paléoécologiques Bull Type Journal Article
Year 1984 Publication Abbreviated Journal Bull Mus natn Hist nat Paris
Volume 6 Issue Pages 185-195
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Notes from Professor Hans Klingels Equine Reference List Approved no
Call Number Serial 1054
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Author Eisenmann V, G.C.
Title Morphologie fonctionelle et environnement chez les périssodactyles. Type Journal Article
Year 1984 Publication Abbreviated Journal Geobios, Mém sp
Volume 8 Issue Pages 69
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Notes from Professor Hans Klingels Equine Reference List Approved no
Call Number Serial 1061
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Author Epstein H,
Title Ass, mule and onager Type Book Chapter
Year 1984 Publication In Manson: Evolution of domesticatd animals. Abbreviated Journal
Volume Issue Pages 174-184
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Notes from Professor Hans Klingels Equine Reference List Approved no
Call Number Serial 1072
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Author HIGUCHI R et al,
Title DNA sequences from the quagga, an extinct member of the horse family Type Book Whole
Year 1984 Publication Macmillan J. Ltd Abbreviated Journal
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Notes from Professor Hans Klingels Equine Reference List Approved no
Call Number Serial 1183
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Author Kolter L,
Title Soziale Beziehungen zwischen Pferden und deren Auswirkungen auf die Aktivität bei Gruppenhaltung Type
Year 1984 Publication Abbreviated Journal Diss. Köln
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Notes from Professor Hans Klingels Equine Reference List Approved no
Call Number Serial 1324
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Author Lloyd P,
Title The Cape Mountain Zebra 1984 Type Journal Article
Year 1984 Publication Abbreviated Journal Afr Wildl
Volume 38 Issue Pages 144-149
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Notes from Professor Hans Klingels Equine Reference List Approved no
Call Number Serial 1347
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Author Penzhorn Bl,
Title A long – term study of social organisation and bhabiour of Cape mountain zebras Type Journal Article
Year 1984 Publication Zeitschrift für Tierpsychologie Abbreviated Journal Z. Tierpsychol.
Volume 64 Issue Pages 97-146
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Notes from Professor Hans Klingels Equine Reference List Approved no
Call Number Serial 1455
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