Search for dissertations about: "gallus gallus"
Showing result 1 - 5 of 23 swedish dissertations containing the words gallus gallus.
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1. Behavioural aspects of conservation breeding : Red junglefowl (Gallus gallus) as a case study
Abstract : Ett stort antal utrotningshotade djurarter ingår idag i bevarandeprogram världen över. Små populationer hålls då i skyddade miljöer, exempelvis i djurparker, och i många fall är målet att återintroducera djur till naturen. READ MORE
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2. Pre- and post-copulatory sexual selection in the fowl, Gallus gallus
Abstract : The evolutionary goal of individuals is reproduction and sexual selection favours traits improving reproductive success. When males invest less than females in offspring, males have potentially a higher reproductive rate than females. READ MORE
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3. Social dominance and personality in male fowl (Gallus gallus domesticus)
Abstract : Individuals in social species commonly form dominance relationships among each other, andare often observed to differ in behaviour depending on their social status. However, whethersuch behavioural differences are a consequence of dominance position, or also a cause to it,remains unclear. READ MORE
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4. Causes and Consequences of Impulsivity in Red Junglefowl
Abstract : Throughout the animal kingdom, animals vary in cognition (i.e., how they acquire, process, store, and act on environmental information). Yet, the causes and consequences of this variation are currently unclear. READ MORE
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5. Colour Vision in Birds : Comparing behavioural thresholds and model predictions
Abstract : Birds use colour vision for many biologically relevant behaviours such as foraging and mate choice. Bird colour vision is mediated by four types of single cones, giving them an extra dimension of colour information compared to trichromatic humans. READ MORE