Lesser Black-backed Gull (graellsii & intermedius)
(last update: May 17 2015)
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
possible Lesser Black-backed Gull graellsii x Herring Gull argenteus KB adult, May 28 2013, Katwijk, the Netherlands.
Picture: Jeroen Nagtegaal & ringing team Roland-Jan Buijs.
Metal NLA 5424660 and tibia yb KB. Trapped on the nest, incubating 1 egg. Obvious Lesser Black-backed Gull characters like red gape, red orbital ring, yellowish legs. Clean yellow iris.
Full black band on P5, small spot on P4. Mirror on P9 and P10, P10 mirror merged with white tip. Kodak grey tone is 8, which is too dark for Herring Gull and pale for Lesser Black-backed Gull.
