Data/hora: 10/06/2024 15:40:37

Provedor de dados: | Anais da Academia Brasileira de Ciências
País: | Brazil
Título: | A memory like a female Fur Seal: long-lasting recognition of pup's voice by mothers
Autores: | Mathevon,Nicolas; Charrier,Isabelle; Aubin,Thierry.
Data: | 2004-06-01
Ano: | 2004
Palavras-chave: | Acoustic communication; Individual recognition; Learning process; Fur Seal; Mammals.
Resumo: | In colonial mammals like fur seals, mutual vocal recognition between mothers and their pup is of primary importance for breeding success. Females alternate feeding sea-trips with suckling periods on land, and when coming back from the ocean, they have to vocally find their offspring among numerous similar-looking pups. Young fur seals emit a 'mother-attraction call' that presents individual characteristics. In this paper, we review the perceptual process of pup's call recognition by Subantarctic Fur Seal Arctocephalus tropicalis mothers. To identify their progeny, females rely on the frequency modulation pattern and spectral features of this call. As the acoustic characteristics of a pup's call change throughout the lactation period due to the growing process, mothers have thus to refine their memorization of their pup's voice. Field experiments show that female Fur Seals are able to retain all the successive versions of their pup's call.
Tipo: | Info:eu-repo/semantics/article
Idioma: | Inglês
Identificador: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652004000200007
Editor: | Academia Brasileira de Ciências
Relação: | 10.1590/S0001-37652004000200007
Formato: | text/html
Fonte: | Anais da Academia Brasileira de Ciências  v.76 n.2 2004
Fonte: | info:eu-repo/semantics/openAccess