I would like to know which species this is
It concerns this observation
http://observation.org/waarneming/view/220093359 (http://observation.org/waarneming/view/220093359)
Eastern Olivaceous Warbler - Iduna pallida observed at 2021-07-16 Bulgaria - Pirin Mountains
Photos:
(http://observation.org/fotonew/8/39301168.jpg)
thanks in advance Thijs de Groot