Wednesday, 15th January 2025, 10 a.m.
Horta de Formação Bairro S. João da Rebelva, Carcavelos, Cascais, Lisboa, Portugal
Vilhelm Fagerström
| 1 | Common Chiffchaff (Siberian)Phylloscopus collybita tristis Submitting this bird as ssp. tristis, but uncertainties regarding genetic composition remain. Morphology in line with ssp. tristis, but collybita/abietinus-type calls have been heard. |