Species: Great Black-backed Gull (Larus marinus)

YearArter/grupperLocalitiesParticipantsObservations
20201383741
20191403842
20181514874
20171252539
20161424264
20151323238
20141313135
20131212032
20121232329
20111232337
20101211822
20091555
20081555
20071333
20061446
20051329
200415515
200314311
20021555
20011222
19981111
19951111
19941222
Total1252228518