Summers, Ronald W
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Wildfowl 33 - Articles
The absence of flightless moult in the Ruddy-headed Goose in Argentina and Chile
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Wildfowl 36 - Articles
Moult-skipping by the Lesser Magellan Goose in Argentina
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Wildfowl 39 - Articles
Population size and feeding behaviour of Andean Geese at Lake Junin, Per
Abstract PDF