I investigated the amount of time spent on foraging by birds in a successional white spruce community, during semi-monthly time blocks, in the context of flying, singing and other activities. Five hypotheses were tested: ...

Three methods of analyzing catch-effort data were investigated regarding their relationship to walleye abundance: mean CUE, Gini coefficient and the relative frequency of zero CUE (RFZ). Walleye recreational fishery ...

Internal structures of the proventriculus of adult tiger beetles were examined to determine their function and taxonomic and phylogenetic value. The overall appearance of the proventriculus suggested an intricate ...

I examined a series of simple and repeated northern landscapes in the Hudson Bay Lowland of Ontario to document regional and local patterns of population abundance of red-backed voles {Clethrionomys gapperi). I tested ...