Search for dissertations about: "Etologi och beteendeekologi"
Showing result 1 - 5 of 14 swedish dissertations containing the words Etologi och beteendeekologi.
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1. Food choice in fallow deer – experimental studies of selectivity
Abstract : In this thesis, I experimentally investigate feeding selectivity in fallow deer (Dama dama), with respect to plant secondary compounds, especially tannins, which can decrease the quality of foods. I found that fallow deer avoided foods with higher amounts of tannic acid and Quebracho tannin, even though the deer ate some high-tannin food. READ MORE
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2. On Sexual Imprinting in Humans
Abstract : In this thesis I investigate whether human sexual preferences develop through sexual imprinting. Sexual imprinting is the acquisition of sexual preferences through non-rewarded experiences with parents and siblings during an early sensitive period and it is known to exist in many other animals. READ MORE
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3. Predator psychology and mimicry evolution - a theoretical analysis
Abstract : The evolution of Müllerian mimicry depends on many factors, among which predator psychology is the most important one. Predator avoidance learning, generalization and discrimination are primary selective agents during the evolutionary process. READ MORE
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4. Mobility and emigration in butterflies
Abstract : Because of its implications for the survival of many species, dispersal plays a key role in conservation biology. A good knowledge about the different factors that influence dispersal decisions is crucial for the understanding of inter-population movements. READ MORE
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5. Adaptive body regulation in the life history of birds
Abstract : Birds have been flying on this Earth for around 150 million years and in response to fluctuating environments birds have evolved flexible body regulation. This thesis has investigated costs and adaptations in bird body regulation in different life history stages, namely moult and migration. READ MORE