Lesser Black-backed Gull (graellsii & intermedius)

(last update: May 17 2015)

LBBG 2cy LL September 29 2004, Westkapelle, the Netherlands. Picture Pim Wolf.

A typical 2cy LBBG ringed in the Netherlands by Roland-Jan Buijs at Moerdijk, An average moult score of P9 fully grown. In the wing-coverts, the partial autumn moult has started and the upper tertials and some inner wing-coverts have been renewed again. The last replaced greater coverts and median coverts are typically grey-based. In the ordinary moult sequence, LBBG finish with about greater coverts #7-8 and the outermost lesser coverts in the upper row.