Immune challenge reduces begging effort and modifies begging call structure in spotless starling nestlings
Daniel Parejo-Pulido,
Tomás Redondo,
Lorenzo Pérez-Rodríguez
Abstract:Symptoms of illness offer insights into an organism’s condition, altering social signals that affect others’ behavior. Nestling birds employ begging signals to solicit parental care, but the extent to which begging reflects nestling health beyond hunger remains controversial. We investigated how experimentally induced changes in health affect begging signals in spotless starling (Sturnus unicolor) nestlings. To alter health status, we challenged nestlings by injecting lipopolysaccharide (LPS) -an antigen that … Show more
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