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Der taxonomische Status vonLaniarius dubiosus (Rchw. 1899) mit ergänzenden Daten zur Typusbeschreibung vonLaniarius liberatus, Bulo Burti Boubou (Smith, Arctander, Fjeldså & Amir 1991)

The taxonomic status ofLaniarius dubiosus (Rchw. 1899) with additional data on type description ofLaniarius liberatus, Bulo Burti Boubou (Smith, Arctander, Fjeldså & Amir 1991)

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Abstract

In 1899Reichenow described a new bushshrike species from East Cameroons which he namedLaniarius dubiosus. This bird was in juvenile plumage (a colour-plate is given). DNA-sequence-analysis of cytochrome b (from feathers and skin of the type specimen ZMB 33 764 from Berlin) shows that this bird is a juvenile of the western race of Luehder's BushshrikeLaniarius lühderi. The first presumed assumption — based on a great plumage similarity — thatL. dubiosus may be a juvenile from the recently new described Bulo Burti BoubouLaniarius liberatus (Smith, Arctander, Fjeldså &Amir 1991) could not be supported.L. dubiosus sequences are distinct fromL. liberatus (seePrinzinger et al. 1997). Additional data for the type description ofLaniarius liberatus are given for the voice (sonagrams) and the coloration of plumage.

Zusammenfassung

DNA-Sequenzanalysen mitochondrialer Cytochrom-b-Abschnitte zeigen, daß der vonReichenow 1899 neu beschriebene BuschwürgerLaniarius dubiosus aus Kamerun mit großer Wahrscheinlichkeit ein Jungvogel der westlichen Rasse des BraunscheitelwürgersLaniarius lühderi ist. Die Vermutung,L. dubiosus könne ein Jungvogel vonL. liberatus sein, konnte nicht bestätigt werden. Für die Typusbeschreibung vonL. liberatus werden ergänzende Daten zur Stimme (Sonagramme) und zur Gefiederfärbung vorgelegt, die die publizierte Beschreibung ergänzen und z. T. korrigieren.

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Prinzinger, R., Becker, P., Kleim, JP. et al. Der taxonomische Status vonLaniarius dubiosus (Rchw. 1899) mit ergänzenden Daten zur Typusbeschreibung vonLaniarius liberatus, Bulo Burti Boubou (Smith, Arctander, Fjeldså & Amir 1991). J Ornithol 138, 283–289 (1997). https://doi.org/10.1007/BF01651553

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  • DOI: https://doi.org/10.1007/BF01651553

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