By Felicity Huntingford (auth.)
The objective of this publication is to spot the most parts of energetic dialogue approximately, and learn into, the biology of animal behaviour, to explain and investigate ways that those will be studied and utilizing chosen examples, to illus trate the types of effects that are rising. it isn't meant to supply an exhaustive evaluation of all we all know approximately animal behaviour, even if the examples were selected to hide as many as attainable of the issues that animals do. XlV Preface Acknowledgements i need to thank C. Swann, M.L.N. Murthy and the Superbrain for typing the manuscript; Linda Partridge, Pat Monaghan, Douglas Fraser and Richard Wilson for positive feedback of past drafts; Alan Crowden for assist in making plans and generating the e-book and, quite, Tim Huntingford for aid and encouragement in any respect levels of its professional duction. Acknowledgements are gratefully made to Jim Tulley fot generating plates 1, 2, three, 7 and 12 and to Michael Hansell for the remainder.
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Additional resources for The Study of Animal Behaviour
Towards and away from the male, initially maintaining the point ofcontact towards the front of her body then moving away. This sort of analysis can potentially identifY subtle and important aspects of social interactions. However, verbal descriptions derived from them often seem trivial and, given that this technique and others described above are extremely time consuming, it seems appropriate to ask what such complex analyses have achieved. 4 What is the point of all this sophisticated analysis?
40 Mean = 45·1 >u ~ 20 :J CT Q) L.. LL 0 (a) 0 20 40 60 80 Move lengths (em) 100 30 Mean absolute angle = 35·5° 0 0 ~ 20 >u c:: Q) 5- 10 Q) L.. LL 0 ( b) 0° Angles of turn Figure 2. 7 Analysing patterns of movement. Frequency distributions of move lengths and tum angles from records of feeding thrushes (after Smith, 1974). (a) Lengths; (b) angles. 2 DESCRIBING THE RELATIONSHIP BETWEEN AN ANIMAL AND NEIGHBOURING CONSPECIFICS (a) Coefficients ofdispersion, nearest neighbour distances and sociograms Some of the techniques for investigating, descnbing and measuring the way in which animals use space can be applied to their relationships with conspecifics.
Total sequential covariability (the amount of correlation between It and both It-I and Jt-I) 40 The Study ofAnimal Behaviour where the second tenn represents the joint variability of the simultaneous states ofI and J at t-l and the third tenn represents the variability of particular combinations of preceding acts by 1 and J and current act by I. Interaaion cuvariability (the extent to which specific combinations of previous acts by 1 and J detennine the behaviour ofI) P (1t: I t- Il t-I) = T (1t:1t-I)+ T (1t:] t-I)- T (1t:1t- Ill-I) Partial auto- and cross-CQVariabilities (the exclusive effects of previous acts by 1or J) P (1t: 1t-I) = T(1I:lt-I)-P(1t:1t-Ilt-I) P (1r:]t-I) = T(1r:]t-I)-P(1t: 1t-I1t-I) The method was tested on the behaviour of small groups of java monkeys (Macaea fascicularis) with 49 behaviour patterns being recorded.