Visit to the gull colony of IJmuiden – 20190408

Images taken during a visit to the gull colony of IJmuiden Forteiland, the Netherlands, on April 8, 2019, as part of our research project.

Shown are European Herring Gulls and Lesser Black-backed Gulls.

Click for a larger image.

European Herring Gulls

Male YBAK

(With partner YCHM.)

Female YCHM

Partner of YBAK.

Female YBAU

Male YBBV

Male YBXB

Female YCHH

With pseudo-mirror on P9 in right wing and thayeri-pattern on P9 in left wing.

Female YCJS with male YCNW

Male YCKZ

Female YCNJ

With partner YBPT.

Male YCNK with female YCAH

Female YCPX

With pseudo-mirrors on P9.

Lesser Black-backed Gulls

Female Blue 322

Ringed in the UK but breeding in IJmuiden.

Male SAAC

Ringed in Zaandam, the Netherlands, but breeding in IJmuiden.

Black/Blue 3P

Ringed in Rotterdam, Maasvlakte, but seen frequently in the colony.

Female Black/Blue YF

Ringed in Rotterdam, Botlek, but seen frequently in the colony.

Male White N0LV

Ringed in Malaga, Spain, but breeding in IJmuiden.

Male YAAU

Female YABC

Female YABN

Male YALU

Female YBKX

Female YBUS

Male YCCB

Male YCJM

Female YCNV

2 thoughts on “Visit to the gull colony of IJmuiden – 20190408

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