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Comparative breeding ecology in arctic-geese of different body size : an example in ross's and lesser snow geese
Two closely-related, different-sized species of geese nest sympatrically south of the Queen Maud Gulf (QMG) in Canada’s central arctic. Following a period of high population growth rate in both species within the QMG, the ...
Effects of agricultural land use on tree swallow (Tachycineta bicolor) reproduction, body condition and diet
Agricultural practices have intensified over the last 50 years, increasing crop production and altering the Canadian Prairie landscape by removing non-cropped habitats and wetlands. The productivity, trophic structure and ...