Effects of experimental increase of corticosterone levelson begging behavior, immunity and parental provisioning ratein house sparrows

House Sparrow (Passer domesticus) Science Article 8


Begging is a complex display that is supposed to honestly indicate the need for food of nestlings, and, usually, parents use this informationto adjust their investment in food provisioning. However, the mechanisms that ensure the honesty of begging as an indicator ofneed are still poorly known.

Claire Loiseau et al, General and Comparative Endocrinology 155 (2008) 101-108

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