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Institute
Feral cats (Felis catus), introduced into Australia with European settlers in the 19th century, colonized the entire Australian continent in less than 100 years, including the Australian arid zone which covers more than 70% of the continent. Feral cats are responsible for the decline and extinction of a number of native species and the failure of a number of reintroduction attempts, especially in the arid zone. Many ecological studies on feral cats have been conducted on home range size and movement patterns in different environments, abundance and diet, with the aim of gaining a better understanding about their successful invasion of the Australian continent. There are no physiological studies on the feral cat to date. However, there is evidence that there is a strong interrelation between physiology and abiotic factors such as climate. Thus, distribution, habitat, and dispersal of species can not fully be understood without background knowledge of physiology. This PhD aims to contribute to a better understanding of three physiological parameters: metabolism, body mass and body temperature patterns. These parameters may possibly identify physiological adaptation to different climate zones, seasonal conditions and island isolation.