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Equine and Animal Cognition Reference Database

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Author Kacelnik, A.; Houston, A.I. url  doi
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  Title Some effects of energy costs on foraging strategies Type Journal Article
  Year 1984 Publication Animal Behaviour. Abbreviated Journal Anim. Behav.  
  Volume 32 Issue 2 Pages 609-614  
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  Abstract We consider the effect of including energy costs on the optimal strategy for animals exploiting a depleting food resource. In the context of central place foraging this leads to the problem of what load size should be brought back to the central place. Two strategies are discussed: (i) maximize gross rate of energy delivery and (ii) maximize net rate of energy delivery. The optimal load size (or optimal patch time) for net maximizers is not always larger than for gross maximizers, as has been claimed. Instead, the difference in optimal load size has the same sign as the difference between metabolic rates of travelling and foraging. We point out that the influence of costs has not always been correctly incorporated in experimental tests of the theory.  
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  Notes Approved no  
  Call Number Serial 2122  
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Author Wolff, P.R.; Powell, A.J. url  openurl
  Title Urine patterns in mice: An analysis of male/female counter-marking Type Journal Article
  Year 1984 Publication Animal Behaviour. Abbreviated Journal Anim. Behav.  
  Volume 32 Issue 4 Pages 1185-1191  
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  Abstract Counter-marking in mice, Mus musculus was investigated by analysing urine deposition on filter paper marked asymmetrically with urine of the opposite sex. Intact males deposited large numbers of urine spots with a marked angular bias towards previously marked quadrants. More spots were deposited on proestrous and ovariectomized donor urine patterns, their distribution being more centrifugal on oestrous urine and more centripetal in quadrants containing a large female urine spot in a central position. In contrast, castrated male mice deposited very few spots with no angular bias. Female urine patterns showed angular bias in response to intact, but not castrated male donor urine, a larger number of spots being produced by oestrous females. Thus the pattern of deposition offers scope for two-way communication of information about reproductive potential.  
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  Notes Approved no  
  Call Number Serial 2144  
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Author Sherry, D.F.; Galef Jr, B.G. url  doi
openurl 
  Title Cultural transmission without imitation: Milk bottle opening by birds Type Journal Article
  Year 1984 Publication Animal Behaviour Abbreviated Journal Anim. Behav.  
  Volume 32 Issue 3 Pages 937-938  
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  ISSN 0003-3472 ISBN Medium  
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  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 5611  
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Author Price, E.O. url  doi
openurl 
  Title Behavioral aspects of animal domestication Type Journal Article
  Year 1984 Publication Q Rev Biol Abbreviated Journal  
  Volume 59 Issue Pages  
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  Call Number Equine Behaviour @ team @ Price1984 Serial 6239  
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Author Seyfarth, R.M.; Cheney, D.L. openurl 
  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 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, openurl 
  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, openurl 
  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, openurl 
  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. openurl 
  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, openurl 
  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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