| Home Herring Gull plumages: hg 1cy Julyhg 1cy August
 hg 1cy September
 hg 1cy October
 hg 1cy November
 hg 1cy December
 
 hg 2cy Januaryhg 2cy February
 hg 2cy March
 hg 2cy April
 hg 2cy May
 hg 2cy June
 hg 2cy July
 hg 2cy August
 hg 2cy September
 hg 2cy October
 hg 2cy November
 hg 2cy December
 
 hg 3cy Januaryhg 3cy February
 hg 3cy March
 hg 3cy April
 hg 3cy May
 hg 3cy June
 hg 3cy July
 hg 3cy August
 hg 3cy September
 hg 3cy October
 hg 3cy November
 hg 3cy December
 
 hg sub-ad Januaryhg sub-ad February
 hg sub-ad March
 hg sub-ad April
 hg sub-ad May
 hg sub-ad June
 hg sub-ad July
 hg sub-ad August
 hg sub-ad September
 hg sub-ad October
 hg sub-ad November
 hg sub-ad December
 
 hg ad Januaryhg ad February
 hg ad March
 hg ad April
 hg ad May
 hg ad June
 hg ad July
 hg ad August
 hg ad September
 hg ad October
 hg ad November
 hg ad December
 
 | Herring Gull
      (argenteus) YBHA adult, February  2016 & May  2017, IJmuiden & Heemskerk, the Netherlands. Ringed Herring Gull green YBHA, ringed as breeding adult on May 13 2014 at Forteiland, IJmuiden. Ringed   by Fred Cottaar ringing team. below: Herring Gull
  (argenteus) YBHA adult, February 19 2016, IJmuiden, the Netherlands. 
 
 below: Herring Gull (argenteus) Y.BHA adult,  May 29 2017, Heemskerk, the Netherlands.
 
 |