Lazarus, John
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Wildfowl 29 - Articles
Vigilance, flock size and domain of danger size in the White-fronted Goose
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Wildfowl 40 - Standard Papers
The pre-nesting behaviour and time budget of the Harlequin Duck Histrionicus histrionicus
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Wildfowl 51 - Standard Papers
Breeding status and aggressive communication in the Harlequin Duck Histrionicus histrionicus
Abstract PDF