Lesser Black-backed Gull (Larus fuscus graellsii), ad, 18.1.2020, Grenå Harbour

Putative Western Lesser Black-backed Gull (Larus fuscus graellsii)

Judged only on upper part colors we cannot safely dismiss an intergrade between intermedius and graellsii, but it is paler than a classical Danish breeding intermedius.

Western Lesser Black-backed Gull (Larus fuscus graellsii), ad, 23.1.2015, Aarhus Harbor

This putative Western Lesser Black-backed Gull (Larus fuscus graellsii) was seen on January 23, 2015 on Aarhus Harbour in Denmark. Judged only on upper part colors we cannot safely dismiss an intergrade between intermedius and graellsii, but it is much paler than a classical Danish breeding intermedius.

Lesser Black-backed Gull (Larus fuscus graellsii), ad, 28.10.2010, Aarhus Harbor

This putative Western Lesser Black-backed Gull (Larus fuscus graellsii) is at least a 10th calendar year bird as it has been recorded annually in Aarhus Harbor since 2004 when it was in adult plumage. It's present annually from late summer until late autumn. There is an unread metal ring on its right tarsus and the legs are at maximum only slight yellowish in contrast to other adult Lesser Black-backed Gulls present making it easily identifiable from year to year.

There are photos from August 2004 with yellow legs, September 2005 with pink legs, November 2005 with pink legs, September 2007 with slightly yellowish legs, August 2009 with slightly yellowish legs, September 2009 with slightly yellowish legs, August 2010 with slightly yellowish legs, early September 2010 and late September 2010 with slightly yellowish legs.

Judged only on upper part colors we cannot safely dismiss an intergrade between intermedius and graellsii, but it is much paler than a classical Danish breeding intermedius.

Lesser Black-backed Gull (Larus fuscus graellsii), 2cy, 18.10.2010, Børsmose Strand

Putative Western Lesser Black-backed Gull (Larus fuscus graellsii). Judged only on upper part colors we cannot safely dismiss an intergrade between intermedius and graellsii (known as Dutch Intergrade), but it is much paler than a classical Danish breeding intermedius.

Lesser Black-backed Gull (Larus fuscus graellsii), 10cy+, 17.9.2010, Aarhus Harbor

This putative Western Lesser Black-backed Gull (Larus fuscus graellsii) is at least a 10th calendar year bird as it has been recorded annually in Aarhus Harbor since 2004 when it was in adult plumage. It's present annually from late summer until late autumn. There is an unread metal ring on its right tarsus and the legs are at maximum only slight yellowish in contrast to other adult Lesser Black-backed Gulls present making it easily identifiable from year to year.

Judged only on upper part colors we cannot safely dismiss an intergrade between intermedius and graellsii, but it is much paler than a classical Danish breeding intermedius.

Lesser Black-backed Gull (Larus fuscus graellsii), 10cy+, 8.9.2010, Aarhus Harbor

Putative Western Lesser Black-backed Gull (Larus fuscus graellsii). It is the first of the two graellsii recorded so fare in Aarhus Harbor this summer and there is photos from its first day here.

Judged only on upper part colors we cannot safely dismiss an intergrade between intermedius and graellsii, but it is much paler than a classical Danish breeding intermedius.

It’s at least a 10th calendar year bird as it has been recorded annually in Aarhus Harbor since 2004 when it was in adult plumage, it's present annually from late summer until late autumn. There is an unread metal ring on its right tarsus and the legs are at maximum only slight yellowish in contrast to other adult Lesser Black-backed Gulls present making it easily identifiable from year to year.






Note that the putative Larus fuscus graellsii is in the upper left corner whereas an adult black-backed intermedius is in the right hand side.

Lesser Black-backed Gull (Larus fuscus graellsii), ad, 1.9.2010, Aarhus Harbor

Putative Western Lesser Black-backed Gull (Larus fuscus graellsii). This individual was first seen few days ago in Aarhus Harbor (judged from the primary moult stage and some specific wear on tertials and the longest primaries).

Judged only on upper part colors we cannot safely dismiss an intergrade between intermedius and graellsii, but it is much paler than a classical Danish breeding intermedius.















Note hove the upperparts changes colour according to the light situation