Functional association of bill morphology and foragingbehaviour in calidrid sandpipers

Dunlin (Calidris alpina) Science Article 12

abstract

Foraging behaviour in birds co-varies with bill morphology. Shorebirds exhibit pronouncedinter- and intra-specific variation in bill length and shape as well as in foraging behaviour.Pecking, or feeding on epifaunal intertidal invertebrates, is associated with a straight bill, while probing,feeding on infaunal prey

S. NEBEL et al, University of New South Wales, Sydney

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