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	Provedor de dados Naturalis (2) Autor Geissmann, Thomas (2) Dallmann, Robert (1) Groves, Colin P. (1) Roos, Christian (1) Palavra-chave Evolution (1) Genetics (1) Hylobates agilis (1) Hylobates klossii (1) Hylobates moloch (1) Individuality (1) Silvery Gibbon (1) Song (1) Systematics (1) Taxonomy (1) Trachypithecus barbei (1) Vocalization (1) Mais... Tipo do documento Article / Letter to the editor (2) Ano 2004 (1) 2001 (1) País Netherlands (2)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 2 Primeira ... 1 ... Última The Tenasserim Lutung, Trachypithecus barbei (Blyth, 1847) (Primates: Cercopithecidae): Description of a live specimen, and a reassessment of phylogenetic affinities, taxonomic history, and distribution Naturalis Geissmann, Thomas; Groves, Colin P.; Roos, Christian. The Tenasserim lutung Trachypithecus barbei was previously known from museum specimens and field observations only. We discovered a zoo specimen and present the first confirmed evidence for the continued existence of the species since 1967. We describe the cranial pelage and coloration characteristics of this species which were previously unknown. We present first molecular evidence for recognizing T. barbei as a distinct species and for assessing its phylogenetic affinities relative to other members of the genus Trachypithecus. We document the taxonomic history of T. barbei and present a distribution map based on a compilation of all known locality records. Tipo: Article / Letter to the editor Palavras-chave: Trachypithecus barbei; Taxonomy; Systematics; Evolution; Genetics. Ano: 2004 URL: http://www.repository.naturalis.nl/record/534417 Individuality in the female songs of wild Silvery Gibbons (Hylobates moloch) on Java, Indonesia Naturalis Dallmann, Robert; Geissmann, Thomas. This is the first study comparing individuality in the songs among several gibbon species. All gibbon species produce loud, long and elaborate song bouts in the early morning. Silvery gibbons (Hylobales moloch) ,i differ from other hylobatids, however, in that duet song bouts are absent, male singing appears to be uncommon and most song bouts are female solo songs. Consistent individual differences easily distinguish neighboring females m the field, and it has been suggested that female individuality is particularly high in H. moloch in order to compensate for the lack of a family-labeling male song. The aim in this study is to test this hypothesis by quantifying individuality in H. moloch and comparing it with data on song individuality in two other... Tipo: Article / Letter to the editor Palavras-chave: Hylobates moloch; Silvery Gibbon; Individuality; Vocalization; Hylobates agilis; Song; Hylobates klossii. Ano: 2001 URL: http://www.repository.naturalis.nl/record/534310 Registros recuperados: 2 Primeira ... 1 ... Última

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