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Surf scoter (Melanitta perspicillata) ecology on spring staging grounds and during the flightless period

Authors
Publisher
McGill University
Publication Date
Keywords
  • Surf Scoter -- Ecology -- Québec (Province) -- Saint Lawrence River Estuary.
  • Surf Scoter -- Ecology -- Newfoundland And Labrador -- Labrador.
  • Molting.

Abstract

The behaviour of Surf Scoters (Melanitta perspicillata ) was studied on staging grounds in spring of 2006 and compared to behaviour on moulting grounds later that summer. Moulting Surf Scoters have a distinct activity pattern in comparison to those on spring staging grounds. During moult, foraging occurs mainly in the morning and evening, whereas during the spring a similar proportion of birds foraged at all periods of the day. Birds having recently initiated moult foraged significantly less that on staging grounds. However, as moult progressed, this discrepancy disappeared.

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