Begging intensity of nestling birds varies with sibling relatedness | Queen's University Biological Station Projects

Authors

Briskie, James
Naugler, Christopher
Leech, Susan

Universities

University of Sheffield
Queen‘s University

URL

https://doi.org/10.1098/rspb.1994.0144

Summary

These results support the hypothesis that sibling relatedness influences begging behaviour in birds, and suggests that increased intensity of begging can evolve whenever female promiscuity or brood parasitism lowers the coefficient of relatedness among nestmates.