Year: 2024
Type: article
Abstract: Avian begging calls mediate parent–offspring conflict and direct parental care to genetically related progeny. We found that the fundamental frequency of begging calls of African Penguins Spheniscus demersus decreases as the penguins age and gain mass, before reaching a lower plateau when the chick reaches about 1 kg. Our results suggest that the food solicitation signals of this species may inform parents of the offspring's body mass. Our results may also lead to the development of non‐invasive tools for facilitating censusing chick growth in wild colonies.
Source: Ibis
DOI: 10.1111/ibi.13364
Institutions: University of Turin, University of the Western Cape, Centre National de la Recherche Scientifique, Inserm, École Pratique des Hautes Études, Institut Universitaire de France, Université Paris Sciences et Lettres, Centre de Recherche en Neurosciences de Lyon, Laboratoire Cognitions Humaine et Artificielle
Language: English
Subfield: Developmental Biology
Domain: Life Sciences
Open Access status: hybrid
Estimated APC paid: $4,270
Award: G5508726220
OpenAlex ID: W4402925089