Parent-offspring conflict and the coordination of siblings in gulls.


Offspring solicit food from their parents by begging behaviours. Studies on birds suggest that these displays are 'honest signals of need' and adults provide food according to the begging level. However, siblings may compete for parental resources and the begging intensity is expected to change with brood size. Here, we show that in the black-headed gull… (More)



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@article{Mathevon2004ParentoffspringCA, title={Parent-offspring conflict and the coordination of siblings in gulls.}, author={Nicolas Mathevon and Isabelle Charrier}, journal={Proceedings. Biological sciences}, year={2004}, volume={271 Suppl 4}, pages={S145-7} }