Herring Gull. Larus argenteus.

March 23rd 2008, Poolbeg, Co Dublin.

1st winter showing extensive worn wing coverts and creamy underwing.

Herring Gull. Larus argenteus.

March 23rd 2008, Poolbeg, Co Dublin.

1st winter (left bird) showing extensive worn wing coverts.

Herring Gull. Larus argenteus.

March 23rd 2008, Poolbeg, Co Dublin.

1st winter showing soft northern Gull underwing and body wash.

Herring Gull. Larus argenteus.

March 23rd 2008, Poolbeg, Co Dublin.

1st winter showing tail pattern similar to smithsonianus.

Herring Gull. Larus argenteus.

March 23rd 2008, Poolbeg, Co Dublin.

1st winter showing similar tail, uppertail coverts, & rump pattern similar to smithsonianus.

Herring Gull. Larus argenteus.

March 23rd 2008, Poolbeg, Co Dublin.

1st winter.