Lesser Black-backed Gull (graellsii & intermedius)

(last update: May 17 2015)

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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 DKC 4130670 15cy, October 04 2004, Westkapelle, the Netherlands. Picture by Pim Wolf.

Adult 15cy intermedius Lesser Black-backed Gull from Denmark. Ringed as pullus 09 July 1990 at Anholt, Midtjylland, DK (56° 42' 0 , 11° 34' 12).

Primary moult score relatively low for early October, compared to western graellsii: P4 full-grown, P7-P10 still old with a large mirror on P10 (although tips worn). Upper tertials and randomly some coverts moulted as well, standing out against the brown and worn old feathers. There is just a hint of black on the tip of the upper mandible. The red gonydeal spot is confined to the lower mandible, although there is also some orange on the upper mandible. The yellow iris shows no speckling and the orbital ring is coral red. The legs are yellow. Jizz may suggest male, especially stout bill and fierce facial expression.