| Titre : | An apparent Willow Warbler x Common Chiffchaff hybrid in Warwickshire (2020) |
| Auteurs : | Tim Marlow, Auteur |
| Type de document : | Article |
| Dans : | British Birds (113(12) December, 2020) |
| Article en page(s) : | 792-796 |
| Résumé : | A putative Willow Warbler Phylloscopus trochilus x Common Chiffchaff P. collybita hybrid present at Draycote Water, Warwickshire, from 27th May to 15th July 2019 is described.The bird's song superficially resembled that of an Iberian Chiffchaff P ibericus. Mixed-singing and song-switching behaviour in hybrids is discussed. |



