Institution: | ;Biopsychology Programme, Memorial University of Newfoundland, St John's, Newfoundland, Canada A1B 3X9;;Canadian Wildlife Service, 100 Gamelin Blvd., Hull, Quebec, Canada K1A OH3;;Department of Biology, Carleton University, Ottawa, Ontario, Canada K1S 5B6;and ;Department of Biology, Memorial University of Newfoundland, St John's, Newfoundland, Canada A1B 3X9 |