I would like to know which species this is
It concerns this observation
http://observado.org/waarneming/view/133474577 (http://observado.org/waarneming/view/133474577)
Con dudas Mosquitero Siberiano - Phylloscopus collybita tristis observed at 2017-01-07 Spain - Bajo Guadalquivir
Fotos:
(http://observado.org/fotonew/8/12590688.jpg)
(http://observado.org/fotonew/0/12590690.jpg)
(http://observado.org/fotonew/1/12590691.jpg)
(http://observado.org/fotonew/2/12590692.jpg)
thanks in advance Eduardo José Rodríguez Rodríguez