BLACK HEADED GULL (Chroicocephalus ridibundus) adult winter plumage at Broadmeadow Estuary, Swords, Fingal, Co. Dublin, Ireland

 

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 The Black-headed Gull (Chroicocephalus ridibundus) is of the family Laridae which is in the genus Chroicocephalus.

BLACK HEADED GULL (Chroicocephalus ridibundus) adult winter plumage, Broadmeadow Estuary, Swords, Fingal, Co. Dublin, Ireland

 

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 The Black-headed Gull (Chroicocephalus ridibundus) is of the family Laridae which is in the genus Chroicocephalus.

BROWN BOOBY (Sula leucogaster) Greystones South Beech, Greystones, Co. Wicklow, Ireland

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The Brown Booby (Sula leucogaster) is of the family Sulidae which is in the genus Sula. This large seabird has a pan-tropical range and very rarely occurs in North East Atlantic waters.

Found on 13th July 2020, this is the third Irish record but unfortunately had to be taken into care today (14th July) when its condition deteriorated. There are two previous Irish records, a tideline corpse in Co. Cork on 2nd January 2016 and one seen from a fishing trawler off Co. Kerry on 13th and 14th August also in 2016. 

Patrick J. O'Keeffe / Raw Birds

Four subspecies are recognised; map showing the world distribution

     Sula leucogaster plotus     Sula leucogaster nominate     Sula leucogaster etesiaca     Sula leucogaster brewsteri

Reference:

 https://en.wikipedia.org/wiki/Brown_booby

BLACK HEADED GULL (Chroicocephalus ridibundus) juvenile in moult to 1st winter plumage, Blessington Street Basin Reservoir, Dublin City, Co. Dublin, Ireland

 

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 The Black-headed Gull (Chroicocephalus ridibundus) is of the family Laridae which is in the genus Chroicocephalus.

BLACK HEADED GULL (Chroicocephalus ridibundus) first winter or first calender plumage, Skerries Harbour, Skerries, Fingal, Co. Dublin, Ireland

 

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 The Black-headed Gull (Chroicocephalus ridibundus) is of the family Laridae which is in the genus Chroicocephalus.