Territorial behaviour of the Shoveler, Anas clypeata, at Delta, Manitoba
A population of northern shovelers, Anas clypeata, was studied at Delta, Manitoba, to determine if behavioural mechanisms contributed to the spacing of breeding pairs. Further evidence supporting the contention that the Shoveler is a territorial species was obtained. Aggression of territorial dra...
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2012
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| Online Access: | http://hdl.handle.net/1993/5854 |