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PSY352H5 (15)
Chapter 6

Chapter 6 notes

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University of Toronto Mississauga
Robert Gerlai

Chapter 6: Foraging Behaviour: Finding, Choosing & and Processing Food Key points: - The specific principles of foraging are common to all animal species, even if the actual behaviour exhibited may be very diverse. The foraging process can be thought of as number of decisions made by the forager such as: which item to eat? When and where to forage? When to seek new pastures? When to share food? - Behaviours that seem at first to disadvantage a forager, like sharing, can often actually increase an individuals success. However, interference and factors such as predation risk can limit foraging opportunities - A range of alternative strategies can be used to maximize either the quality or quantity of food available to an animal - Its possible to describe the likely behaviour of an animal using a mathematical model, this can help us focus our investigations of behaviour - Foraging, easily described relationships develop between species, these may involve just two species such as the relationship between the giant panda ailuropoda melanoleuca with its specialist diet, feeding largely (but contra to popular myth not exclusively) upon the shoots, leaves and stems of bamboo. At a far larger sale the relationships might involve the complicated webs of predators and prey that may link, for example simple planktonic plants to a top predator like the great white shark. - The various modes of foraging employed by the animals into herbivores, carnivores and omnivores. Within these groups we might consider specialists (reliant upon one type of food, or perhaps even one species) and generalists(with a more varied diet). This approach would be benefical if we were comparing the various modes of foraging www.notesolution.com
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