4CY Presumed hybrid Lesser Black-backed Gull x Yellow-legged Gull Green YBWP – 20180409
Category Archives: hybrid LBBG x YLG
(Presumed) Hybrid Lesser Black-backed Gull x Yellow-legged Gull Green YCMP – 2017
(Presumed) Hybrid Lesser Black-backed Gull x Yellow-legged Gull Green YCLD – 2017
Visit to the gull colony of IJmuiden – 20170410
Visit to the gull colony of IJmuiden – 20160411
4CY Presumed hybrid Lesser Black-backed Gull x Yellow-legged Gull Green Y.BVA – 2014/2015
