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Metabolic Rate in Seabirds – Influences, Limits & Consequences

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With their predictable life-histories and tractability, seabirds make excellent models for studies of energy metabolism. Using examples from the literature, field work on macaroni penguins at Bird Island and studies of seabirds in Australia, this seminar will address what leads to variability in field metabolic rate at the inter-specific and intra-specific levels. I will discuss limits to metabolism in terms of theory on optimal and maximal rates of energy expenditure, and the role of the ‘prudent parent’. Finally I will talk about how an understanding of field metabolic rate can help us to predict the impacts of environmental change and understand differences between individuals in their phenotypic quality

This talk is part of the British Antarctic Survey series.

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