Long-term stability of vocal individuality cues in a territorial and monogamous seabird

• Published in: Animal cognition Vol. 24; no. 6; pp. 1165 - 1169
• Main Authors: Calcari, Chiara, Pilenga, Cristina, Baciadonna, Luigi, Gamba, Marco, Favaro, Livio
• Format: Journal Article
• Language: English
• Published: Berlin/Heidelberg Springer Berlin Heidelberg 01.11.2021; Springer Nature B.V
• Subjects: Acoustic emission testing; Acoustic properties; Acoustics; Aquatic birds; Behavioral Sciences; Biomedical and Life Sciences; Breeding seasons; Breeding sites; Discriminant analysis; Emitters; Life Sciences; Monogamy; Psychology Research; Short Communication; Spheniscus demersus; Stability; Vocalization behavior; Zoology; Bioacoustics; Vocal communication; Contact calls; African penguin; Source-filter theory

The stability of individual acoustic features is fundamental in social species, and more importantly in monogamous and territorial species, showing long-term fidelity both to the partner and the breeding site. In this study, the stability over time of two discrete vocal types was investigated in the...