Great Black-backed Gull (Larus marinus)

STATUS AT LONGHAM LAKES

Uncommon visitor in any month. It’s difficult to gauge its true status.
Birds often appear as pairs.

Monthly maxima:

Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2002 1 1 5
2003
2004 1 2 1
2005 6 2 1 1 1 11
2006 2 3 2 1
2007 3 3 3 2 1 2 1 2
2008 1 5 2 3 3 1 1
2009 5 5 6 3 1
2010 2 1 3 2 2 1 1 2 1
2011 2 1 1 1 2 2
2012 5 1 1 2
2013 1 1
2014 2 2 1
2015 2 1 1 2