Lesser Black-backed Gull (graellsii & intermedius)

(last update: May 17 2015)


LBBG rings

lbbg 1cy May
lbbg 1cy June
lbbg 1cy July
lbbg 1cy August
lbbg 1cy September
lbbg 1cy October
lbbg 1cy November
lbbg 1cy December

lbbg 2cy January
lbbg 2cy February
lbbg 2cy Mar-April
lbbg 2cy May
lbbg 2cy June
lbbg 2cy July
lbbg 2cy August
lbbg 2cy September
lbbg 2cy October
lbbg 2cy Nov - Dec

lbbg 3cy Jan-April
lbbg 3cy May
lbbg 3cy June
lbbg 3cy July
lbbg 3cy August
lbbg 3cy September
lbbg 3cy October
lbbg 3cy Nov - Dec

lbbg sub-ad Jan-April
lbbg sub-ad May
lbbg sub-ad June
lbbg sub-ad July
lbbg sub-ad Aug
lbbg sub-ad Sept
lbbg sub-ad Oct
lbbg sub-ad Nov
lbbg sub-ad Dec

lbbg adult January
lbbg adult February
lbbg adult March
lbbg adult April
lbbg adult May
lbbg adult June
lbbg adult July
lbbg adult August
lbbg adult September
lbbg adult October
lbbg adult Nov - Dec

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.