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Dissertations / Theses on the topic 'Sociobiology and behavioural ecology'

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1

Alpedrinha, J. A. C. V. "Social evolution and sex allocation theory." Thesis, University of Oxford, 2012. http://ora.ox.ac.uk/objects/uuid:35e4f1c8-68ea-4395-9e67-5b72982196d6.

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The study of sex allocation is one of the most successful areas in evolutionary biology: its theoretical predictions have been supported by experimental, observational and comparative approaches. Here, I develop sex allocation theory as follows: (1) I use fertility insurance theory to predict the sex ratio strategy of the malaria parasite, in response to human medical interventions that increase mortality and decrease fertility of the parasite’s various sexual stages; (2) Haplodiploidy has been suggested as a driver of the evolution of eusociality, as under this genetic system a female may be
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2

Dutton, Paul. "Does forage enrichment promote increased activity in captive capuchin monkeys (Cebus apella)?" Diss., Lincoln University, 2008. http://hdl.handle.net/10182/779.

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In their native habitat of Central and South America, capuchin monkeys (Cebus) spend 45% to 55% of their day foraging and a further 20% travelling. Once these monkeys are introduced into captive environments their diets are selective, seasonal and presented to them by their keepers. The captive environment often leads to various behavioural abnormalities and compensatory behaviours or stereotypies. To address this issue, environmental enrichment can be employed to reduce, cure or prevent such an occurrence. Enrichment can reduce stress, while increasing animal well-being and health in captivit
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3

Graf, Astrid. "Influencing habitat selection and use through conspecific attraction and supplementary feeding." Diss., Lincoln University, 2008. http://hdl.handle.net/10182/1061.

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Bellbirds (Anthornis melanura) are one of two endemic honeyeaters in New Zealand. They are still common in many parts of the country, but also rare and absent in some areas where they were abundant before. Together with tui (Prosthemadera novaeseelandia) bellbirds are responsible for avian pollination of several native plants in New Zealand. Habitat fragmentation and geographical constraints prevent bellbirds from re-occupying formerly inhabited areas. After translocations birds often disperse; some just disappear, some are thought to fly back to their source site and probably many die. Supple
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4

De, Bourcier P. G. R. "Synthetic behavioural ecology." Thesis, University of Sussex, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.360517.

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5

com, lroarty@bigpond, and Lynn Ann Roarty. "The 'Vampires in the Sacristy': Feminist body theory and (socio)biological reductionism into the 21st century." Murdoch University, 2009. http://wwwlib.murdoch.edu.au/adt/browse/view/adt-MU20091027.70346.

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What happens when feminist body theory and reductionist theories of biological sex difference are brought together? In this work I take as my starting point the increasing ubiquity of appeals to biology as an explanation for ‘human’ and ‘woman’s’ nature on the one hand, and the reactive and reflexive distancing of biology within feminist body theory on the other, to begin to question the middle ground. I aim to constructively dissent from taking up either of these positions in order to confront the question: what if the reductionists prove to be, even partially, right? In acknowledging that po
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6

McCormick, Joseph. "Information cascades in behavioural ecology." Thesis, The University of Sydney, 2022. https://hdl.handle.net/2123/28578.

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In ecology, information cascades have been used to explain a variety of collective behaviours, including mate selection, anti-predatory responses, and social foraging. Taxonomically diverse, information cascades occur in many group-living animals, including ant colonies, schools of fish, bird flocks, and social mammals. In this thesis, I studied the form and function of information cascades that drive a wide variety of group-level behaviours. In chapter one, I surveyed and reviewed the published literature regarding information cascades in biological systems. I discuss a selection of past stu
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7

Clegg, Mark Robert. "Behavioural ecology of freshwater phytoplanktonic flagellates." Thesis, Lancaster University, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.403729.

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8

Marsh, Frances J. "The behavioural ecology of young baboons." Thesis, University of St Andrews, 1993. http://hdl.handle.net/10023/15097.

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It is hypothesised that young baboons are potentially vulnerable to the effects of seasonal stress. Data were collected on the behaviour of this age group during a 12 month field study of a troop of olive baboons (Papio anubis) on the Laikipia plateau, Kenya, using a hand-held computer and a new program written by the author. Long-term environmental records for this site were continued. At this site there is a seasonal pattern of rainfall with inter-annual variation. Measures of biomass indicate that there are seasonal fluctuations in baboon food availability. Patterns in the occurrence of one
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9

Dowling, Damian Kimon. "Behavioural ecology of the red-capped robin." Connect to thesis, 2004. http://eprints.unimelb.edu.au/archive/00000798.

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10

Robinson, Mark Francis. "The behavioural ecology of the serotine bat." Thesis, University of Cambridge, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.334221.

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11

Pagès, Fauria Jordi. "A behavioural seascape ecology approach to macrophyte herbivory." Doctoral thesis, Universitat de Barcelona, 2013. http://hdl.handle.net/10803/126622.

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Overall, this thesis aims at approaching macrophyte herbivory and community ecology from a behavioural landscape perspective. Our study system, the seascape mosaic of Posidonia oceanica seagrass meadows interspersed with sand patches and rocky areas with macroalgal cover, is particularly useful to test sound ecological questions. In essence, the macroherbivore community is made up of just two key species, the sea urchin Paracentrotus lividus and the fish Sarpa salpa. Both species are generalists and have been found to actively consume seagrass and macroalgae, profoundly altering habitat struct
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12

Schöning, Caspar. "Evolutionary and behavioural ecology of Dorylus army ants." [S.l. : s.n.], 2004. http://www.diss.fu-berlin.de/2004/122/index.html.

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13

Sillero, Zubiri Claudio. "Behavioural ecology of the Ethiopian wolf, Canis simensis." Thesis, University of Oxford, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.239356.

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14

Herrera, E. A. "The behavioural ecology of the capybara, Hydrochoerus hydrochaeris." Thesis, University of Oxford, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.375233.

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15

Batchelor, Timothy Peter. "Parasitoid interactions in behavioural ecology and biological control." Thesis, University of Nottingham, 2005. http://eprints.nottingham.ac.uk/11176/.

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This thesis presents laboratory investigations on the competitive interactions which take place within and between bethylid parasitoids. Part one investigates the compatibility of three bethylids (Cephalonomia hyalinipennis, Cephalononlia stephanoderis and Prorops nasuta) for biocontrol releases against the principal pest of coffee, the coffee berry borer (CBB), Hypothenemus hampei. Cephalonomia hyalinipennis is able to hyperparasitise and consume pupae of C stephanoderis and P. nasuta. Cephalonomia stephanoderis also engages in intra-guild predation, consuming pupae of C hyalinipennis. In con
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16

Williamson, Elizabeth A. "Behavioural ecology of Western Lowland Gorillas in Gabon." Thesis, University of Stirling, 1988. http://hdl.handle.net/1893/1314.

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The behavioural ecology of western lowland gorillas was studied for 16 months in the Lope Reserve, Gabon, where gorillas are sympatric with chimpanzees in lowland tropical forest. Data were collected by direct observation, and by examination of nest-sites, feeding-sites, and trails. The nature of frugivory and the extent of seasonal variation in food selection were emphasised. Dietary composition was identified, and the contribution of fruits was evaluated from the volume of fruit ingested estimated retrospectively from seeds in the gorillas' dung. Forest structure and composition were assesse
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17

Taber, Andrew B. "The behavioural ecology of the mara, Dolichotis patagonus." Thesis, University of Oxford, 1987. http://ora.ox.ac.uk/objects/uuid:3caf10ab-ac34-4bbe-b906-fa495c40f7b8.

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This thesis presents the results of a 3 year field study on the behavioural ecology of the mara on the Valdés Peninsula in Argentina. The main goal was to investigate why the mara's social system incorporates both monogamy and communal denning, a combination unknown in other mammals. The research techniques used were behavioural observations and radio-tracking. Radio-tracking of 9 maras revealed that pairs were continually moving into new areas, suggesting that their ranging behaviour is adapted to an irregular pattern of resource distribution. Two maras had prevailing ranges of 35 ha and move
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18

Prenter, John. "Behavioural ecology of the autumn spider Metellina segmentata." Thesis, Queen's University Belfast, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.357461.

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19

Johnson, I. P. "Behavioural ecology of the Canada Goose (Branta canadensis)." Thesis, University of Reading, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.373840.

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20

Thompson, David. "Behavioural ecology and physiology of diving in seals." Thesis, University of Liverpool, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.367657.

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21

De, Winter Gunnar. "The ecology and evolution of individual behavioural variation." Thesis, University of Nottingham, 2017. http://eprints.nottingham.ac.uk/44995/.

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Central to this thesis is the investigation of how several factors (e.g. morphology, ecology, and social conditions) co-vary with consistent individual behavioural variation. Additionally, conceptual work explores the reach of consistent inter-individual behavioural variation in several novel contexts. In doing so, the aim is to contribute novel findings to the quickly growing compendium of knowledge concerning 'animal personality' in various settings. In summary, during this PhD the following research has been performed: • Through the use of lab-reared juvenile three-spined stickleback (Gaste
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22

Warren, Janice H. (Janice Helene). "Behavioural ecology of crabs in temperate mangrove swamps." Thesis, The University of Sydney, 1987. https://hdl.handle.net/2123/26768.

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Patterns of distribution of crabs inhabiting burrows in three temperate mangrove swamps near Sydney, New South Wales, were described. Heloeoius cordiformis (an ocypodid) did not exhibit a consistent pattern of distribution among three tidal zones, but was always associated with well— drained mounds of substratum within zones. Paragrapsus laevis (a grapsid) tended to be most abundant in the lower two zones on the shore and usually inhabited burrows in the moist or submerged flats between mounds. Sesarma erythrodactyla (a grapsid) was distributed fairly evenly among the three tidal zones and als
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23

Ha, Thang Long. "Behavioural ecology of grey-shanked douc monkeys in Vietnam." Thesis, University of Cambridge, 2010. https://www.repository.cam.ac.uk/handle/1810/252209.

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The grey-shanked douc monkey (<i>Pygathrix cinerea</i>) is an endemic primate to Vietnam found in 1997. The species is critically endangered with less than 1,000 individuals left in the wild. Research was conducted in Kon Ka Kinh National Park, Gia Lai Province Vietnam for 18 months. The monkeys were found in two forest types: (1) closed evergreen lower montane moist sub-tropical forest; (2) mixed broad-leaf and needle-leaf lower montane moist sub-tropical forest. Group size varied from 2 to 88 individuals; average group size was 14.8 individuals.  There were four different social structures f
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24

Hughes, David. "The behavioural ecology of strepsipteran parasites of Polistes wasps." Thesis, University of Oxford, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.275473.

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25

Blandford, P. R. S. "Behavioural ecology of the polecat Mustela putorius in Wales." Thesis, University of Exeter, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.377310.

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26

Spottiswoode, Claire N. "Behavioural ecology and tropical life-histories in African birds." Thesis, University of Cambridge, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.615302.

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27

Hoelzel, A. Rus. "Behavioural ecology and population genetics of the killer whale." Thesis, University of Cambridge, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.235855.

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Field observations were collected to assess the social behaviour and foraging strategies of free-ranging killer whales from the eastern North Pacific (near Vancouver Island, Canada) and the western South Atlantic (near Peninsula Valdez, Argentina). The Vancouver Island study concentrated on the environmental correlates of group size and the behavioural dynamics of social groups. There were no correlations between foraging behaviour and small-scale habitat use, however both group size and the spatial distribution of groups were correlated with foraging behaviour. In Argentina the subject whales
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28

Tkaczynski, Patrick. "The behavioural ecology of personality in wild Barbary macaques." Thesis, University of Roehampton, 2016. https://pure.roehampton.ac.uk/portal/en/studentthesis/the-behavioural-ecology-of-personality-in-wild-barbary-macaques(023582d2-2214-448c-bf12-c1bef7d5549e).html.

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Personality, that is intra-individual consistency and inter-individual variation in behaviour, is widespread throughout the animal kingdom. This challenges traditional evolutionary assumptions that selection should favour behavioural flexibility, and that variation in behavioural strategies reflects stochastic variation around a single optimal behavioural strategy. Adaptive models to explain personality within the framework of evolutionary and behavioural ecology exist, and are typically empirically explored by identifying proximate associations to, and the functional consequences of, personal
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29

Vanning, Keith. "The thermophysiological ecology of the adder, Vipera berus." Thesis, University of Nottingham, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.238293.

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30

Loveridge, Andrew John. "Behavioural-ecology and rabies transmission in sympatric southern African jackals." Thesis, University of Oxford, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.325375.

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31

Fowler, Andrew. "Behavioural ecology of chimpanzees (Pan troglodytes vellerosus) at Gashaka, Nigeria." Thesis, University College London (University of London), 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.439338.

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32

Wilson, William L. "Behavioural ecology and population regulation of the woodmouse (Apodemus sylvaticus)." Thesis, Queen's University Belfast, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.317534.

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33

Lehmann, Hagen. "On the applicability of agent based modelling in behavioural ecology." Thesis, University of Bath, 2009. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.506830.

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34

Richard, Gaëtan. "Behavioural ecology of fishermen and odontocetes in a depredation context." Thesis, La Rochelle, 2018. http://www.theses.fr/2018LAROS018/document.

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De nombreux prédateurs marins se nourrissent directement des prises des pêcheurs. Ces interactions, définies comme de la déprédation, engendrent des conséquences socio-économiques considérables pour les pêcheurs ainsi que des implications de conservation pour la faune sauvage. D’un côté, la déprédation endommage le matériel et augmente l’effort de pêche pour atteindre les quotas. D’un autre côté, la déprédation augmente le risque de mortalité des prédateurs marins (prise accidentelle ou rétorsion létale par les pécheurs). La pêcherie à la palangre est la plus impactée par la déprédation, princ
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35

Ahsan, Md Farid. "Behavioural ecology of the hoolock gibbon (Hylobates hoolock) in Bangladesh." Thesis, University of Cambridge, 1994. https://www.repository.cam.ac.uk/handle/1810/283691.

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36

Jenkins, Andrew Robert. "Behavioural ecology of Peregrine and Lanner falcons in South Africa." Doctoral thesis, University of Cape Town, 1998. http://hdl.handle.net/11427/16100.

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Bibliography: p. 88-94.<br>The Peregrine Falcon Falco peregrinus is a specialized predator of birds. It occurs almost worldwide but is generally uncommon. In many areas, it is sympatric with one of a complex of similar, less specialized, congeneric species (subgenus Hierofalco, the desert falcons). Peregrine density and productivity tend to decrease with latitude, while desert falcons may be most successful in the tropics. This study compares the biology of Peregrines and sympatric Lanner Falcons F. biarmicus in South Africa, and examines the relative influence of resource limitation and inter
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37

Leighton, Patrick. "Mongoose predation on sea turtle nests: linking behavioural ecology and conservation." Thesis, McGill University, 2010. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=86646.

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The introduced small Asian mongoose (Herpestes javanicus) is a widespread predator of sea turtle eggs and hatchlings in the Caribbean. I studied the behavioural ecology of mongoose predation on the nests of critically endangered hawksbill sea turtles (Eretmochelys imbricata) in Barbados. Combining short-term field experiments with seven years of hawksbill nesting data, I investigated how mongoose foraging behaviour, antipredator behaviour and landscape use explain the spatial and temporal patterns of sea turtle nest predation. An experiment combining artificial nests and predator tracking reve
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38

Geffen, Eli. "The behavioural ecology of the Blanford's fox, Vulpes cans, in Israel." Thesis, University of Oxford, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.257737.

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39

Thom, Michael. "The mating system and behavioural ecology of American mink (Mustela vison)." Thesis, University of Oxford, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.249283.

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40

Bartlett, Jonathan. "The behavioural ecology of the burying beetle Nicrophorus vespilloides (Coleoptera: Silphidae)." Thesis, University of Edinburgh, 1987. http://hdl.handle.net/1842/16940.

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41

Rovero, Francesco. "Non-invasive techniques for studying behavioural mechanisms and physiological states of marine invertebrates." Thesis, Bangor University, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.322901.

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42

Welham, Robert Kenneth. "Optimal annual routines." Thesis, University of Bristol, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.268968.

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43

Kelly, Christopher Patrick. "Incubation games." Thesis, University of Cambridge, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.315906.

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44

Abe, Eve Lawino. "The behavioural ecology of elephant survivors in Queen Elizabeth National Park, Uganda." Thesis, University of Cambridge, 1994. https://www.repository.cam.ac.uk/handle/1810/251890.

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45

Kaiser, Michel Josef. "The behavioural and morphological basis of diet selection in fish and crabs." Thesis, Bangor University, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.293908.

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46

Coulthard, N. D. "Aspects of the behavioural ecology of white-throated and European bee-eaters." Thesis, University of Aberdeen, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.303302.

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47

Richards, Elizabeth Loys. "Foraging, personality and parasites : investigations into the behavioural ecology of fishes." Thesis, Cardiff University, 2010. http://orca.cf.ac.uk/55475/.

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This thesis investigated differences in foraging behaviour, personality and parasitic infection, using behaviour experiments, traditional parasitology and molecular ecology. Five fish species, and a directly-transmitted ectoparasite, were used as model organisms. Evidence for a conservative foraging strategy was found in the four tropical fish species (Poecilia reticulata, P. sphenops, Xiphophorus maculates, X. hellerii) and in a temperate species (Gasterosteus aculeatus). In the latter, this behaviour was unaffected by social context, with no significant differences between isolated fish and
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48

Morrogh-Bernard, Helen Celia Christopher. "Orang-utan behavioural ecology in the Sabangau pear-swamp forest, Borneo." Thesis, University of Cambridge, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.611376.

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Parish, David M. B. "Behavioural ecology of the lapwing Vanellus vanellus L. in Upper Teesdale." Thesis, Durham University, 1996. http://etheses.dur.ac.uk/5382/.

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From 1993-95, the behavioural ecology of the lapwing Vanellus vanellus L. was studied in Upper Teesdale, Co. Durham, with the aim of describing the behavioural mechanisms underlying some population characteristics. Significant effects of age and individuals were found in many aspects of Lapwing breeding biology. Older Lapwings returned to the breeding grounds before yearlings, with adult males returning earliest of all. First breeding attempts occurred at one-year-old for most females, but at two-years-old for most males. Males two-years-old and over showed a remarkable degree of consistency i
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Rowland, Hannah Miriam. "The visual and behavioural ecology of countershading and other prey defences." Thesis, University of Liverpool, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.442032.

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