Herring Gull- Zilvermeeuw (argentatus & argenteus)
(last update:
Herring Gull plumages:
hg 1cy July
hg 1cy August
hg 1cy September
hg 1cy October
hg 1cy November
hg 1cy December
hg 2cy January
hg 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 January
hg 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 January
hg 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 January
hg 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) 4CY-5CY BTO GR-53691 March-July 2013 & September 2014, Calais, NW France. Picture: Jean-Michel Sauvage.
Ringed as wintering 3CY bird on January 28 2012 at Pitsea Landfill, Essex, UK.
below: argenteus 5CY BTO GR-53691 September 27 2014, Calais, NW France. Picture: Jean-Michel Sauvage.
Last stage of complete moult: P8 equals P7.
below: argenteus 4CY BTO GR-53691 July 04 2013, Calais, NW France. Picture: Jean-Michel Sauvage.
below: argenteus 4CY BTO GR-53691 March 02 2013, Calais, NW France. Picture: Jean-Michel Sauvage.
