Lesser Black-backed Gull (graellsii & intermedius)

(last update: 22-2-2011)

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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 Nov - Dec

lbbg 2cy Jan-Febr
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 - 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

LBBG 3cy E546ENovember 27 2003, Westkapelle, the Netherlands. Pictures Pim Wolf.

3cy Lesser Black-backed Gull from the Netherlands, ringed at Maasvlakte, Rotterdam on July 01 2001. Classical 3cy showing typical features for Dutch intergrade / graellsii LBBG:

  1. The basal half of the bill is yellowish while there is still much dark on the bill, often a complete bill-band;
  2. The iris is densely speckled, or, as in this individual, clouded;
  3. The lower tertials show obvious dark centres;
  4. The greater coverts show dense pale brown barring;
  5. The primary coverts have a brownish-whitish tip and have a brown-hued grey centre;
  6. The tips of the outer primaries are relatively small, hardly visible and there is a very small mirror on P10.