Lesser Black-backed Gull (graellsii & intermedius)

(last update: May 17 2015)

Lesser Black-backed Gull intermedius NOS 4119689 22+cy, October 19 2004, Westkapelle, the Netherlands. Picture by Pim Wolf.

An adult intermedius ringed in Norway, ringed as adult (5+cy) on the nest, on 28 June 1987, at Vest-Agder, Norway (58° 2' 59 , 6° 40' 11).

Average primary moult score for mid October, compared to western graellsii: P7 full-grown, no old primaries left. The pale-yellow iris shows no speckling and the orbital ring is red. The legs are yellow, the bill is yellow with the red gonydeal spot on both mandibles. There is a faint black stripe on the upper mandible.