Adult Lesser Black-Backed Gull Green Ybbj With Chicks - 20150622

Adult Lesser Black-backed Gull Green YBBJ with chicks - 20150622

Maarten van Kleinwee

Adult Lesser Black-backed Gull Green YABU with large chick - 20150622

Maarten van Kleinwee

Adult Lesser Black-backed Gulls Green YBAC and Orange EK79 with chicks - 20150622

Maarten van Kleinwee

Lesser Black-backed Gull Green YBAC with chicks

Maarten van Kleinwee

Lesser Black-backed Gull chick - 201705019

Maarten van Kleinwee

Lesser Black-backed Gull Green YBPX with chicks

Maarten van Kleinwee

Adult Lesser Black-backed Gull Green YAJZ - 20160411

Maarten van Kleinwee

Harald - the lesser black backed gull chick

Christine Lucas

Great Black-Backed Gull on the Long Water

Lesser Black-backed Gull Green YAAU with chick

Maarten van Kleinwee

151107-12.00-Terschelling-herring and lesser-black backed gull (probably territorial behaviour)

Lesser Black-backed Gulls Green YBDL, YCMR and YCMS - 20170710 (1)

Maarten van Kleinwee

Lesser Black-backed Gulls Green YBDL, YCMR and YCMS - 20170710 (2)

Maarten van Kleinwee

Lesser Black-backed Gull Green G-YABJ - 20160411

Maarten van Kleinwee

Lesser Black-backed Gull Green YAAA - 20160418

Maarten van Kleinwee

Lesser Black-backed Gull Green YBUB - 20160418

Maarten van Kleinwee

2CY Lesser Black-backed Gull Green YBSJ - 20150802

Maarten van Kleinwee

Pair-bonding behaviour between Herring Gull and Lesser Black-backed Gull- 20151107

Maarten van Kleinwee

1CY Lesser Black-backed Gull Green YBWD - 20150802

Maarten van Kleinwee

Lesser Black backed Gull 20Mar2015