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Biofilm grazing in higher vertebrate the western sandpiper – Calidris mauri

Introduction
Materials and methods
– Video images
– Sampling
– Energy budget calculations
– Photopigment analyses
– Stable isotope analyses
– Diet assessment: three-source mixing model
Results and discussion
– Feeding behavior on biofilm
– Foraging rate and energy value
– Biofilm as a component of natural diet
– Implications of biofilm grazing
Aknowledgments
Literature cited