Tag Archives: larus fuscus graellsii 4cy

4th-calendar year Lesser Black-backed Gull comparison – 20180518

5CY Lesser Black-backed Gull Green YBMT with retarded plumage – 20170410

Variation in primary moult in Lesser Black-backed Gulls in January

Lesser Black-backed Gulls in the IJmuiden colony – 2015 breeding season

5CY Lesser Black-backed Gull Green YAWC – 20150615

4CY Lesser Black-backed Gulls Green Y.BDA and Green Y.BDC – 20150427

4CY Lesser Black-backed Gull Yellow V6TE – 20140814

Sub-adult Lesser Black-backed Gull – 20140630

Plumage differences in Dutch 4cy Lesser Black-backed Gulls – May/June 2014