Eye close-ups of adult Herring Gulls and Lesser Black-backed Gulls, taken during ringing activities at IJmuiden Forteiland, the Netherlands, 29 May 2020.
Click the image for a larger view.
Herring Gulls
Lesser Black-backed Gulls
Eye close-ups of adult Herring Gulls and Lesser Black-backed Gulls, taken during ringing activities at IJmuiden Forteiland, the Netherlands, 29 May 2020.
Click the image for a larger view.
