First records in north-west Europe of two Common Chiffchaff Phylloscopus collybita taxa from the Middle East and the Caucasus
van der Spek, Vincent (Naturalis Biodiversity Center Vincent van der Spek)
Dierschke, Jochen
Copete, José Luis
de Knijff, Peter

Data:	2025
Resum:	Six subspecies of Common Chiffchaff Phylloscopus collybita are usually recognised, of which three are known to occur in north-west Europe: P. c. collybita, P. c. abietinus and P. c. tristis. Based on a newly developed mitochondrial DNA sequencing protocol, P. c. brevirostris and P. c. caucasicus were recorded in northwestern Europe for the first time. Both taxa occur at the south-eastern edges of the species' breeding range, in the Middle East and the Caucasus, respectively. A single P. c. brevirostris was recorded in Germany in spring (May 2022), whereas the five P. c. caucasicus were all recorded during late autumn and early winter (between the third week of November and mid-December) in the Netherlands and Germany. The contact calls of three of the P. c. caucasicus as well as the single P. c. brevirostris supported the genetic data. We postulate that P. c. caucasicus might be overlooked in Western Europe, rather than an exceptional vagrant. Movements by both taxa outside the breeding season are largely undescribed.
Drets:	Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, sempre que no sigui amb finalitats comercials, i sempre que es reconegui l'autoria de l'obra original.
Llengua:	Anglès
Document:	Article ; recerca ; Versió publicada
Publicat a:	Bulletin of the British Ornithologists' Club, Vol. 145, Issue 1 (March 2025) , p. 49-59, ISSN 2513-9894

DOI: 10.25226/bboc.v145i1.2025.a5

11 p, 2.4 MB

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