Several days every autumn we count thousands of Northern Gannets. And many other seabirds! Photo: Pablo Gutiérrez Varga.

Main seabird species from June to December

The most common seabirds in Estaca are:


Common scoter
Main passage: autumn months
Best day on record: Sep 29th, 1967 - 2,042 in 1,5 hs (1,361,33 / h)


Cory's Shearwater
Main passage: summer - autumn
Best day on record: Oct 16th, 2012 - 9,488 in 5,75 hs (1,650 / h).


Great Shearwater
Main passage: November
Best day on record: Nov 5th, 2011 - 5,115 in 7,5 hs (682 / h)


Sooty Shearwater
Main passage: September and October
Best day on record: Sep 25th, 2010 - 4,780 in 4 hs (1,195 / h)


Manx Shearwater
Main passage: end Aug to October
Best day on record: Sep 13th, 2011 - 29,091 in 12,15 hs (2,375 / h)


Balearic Shearwater
Main passage: autumn
Best day on record: Oct 7th, 2012 - 698 in 3 hs (232,6 / h)


British Storm Petrel
Main passage: June - July and autumn
Best day on record: Jul 6th, 2007 - 141 in 3 hs (47 / h)


Northern Gannet
Main passage: October - November
Best day on record: Oct 31th, 2004 - 29,105 in 4,30 hs (6467,7 / h)


Grey Phalarope
Main passage: Autumn
Best day on record: Nov 29th, 2009 - 318 in 2 hs (159 / h)


Pomarine Skua
Main passage: August - November
Best day on record: Oct 12th, 1997 - 2,520 in 9,30 hs (265,2 / h)


Arctic Skua
Main passage: August - October
Best day on record: Sept 29th, 1991 - 127 in 2 hs (63,5 / h)


Long-Tailed Skua
Main passage: end August - September
Best day on record: Sept 5th, 2011 - 493 in 12,45 hs (38,6 / h)


Great Skua
Main passage: autumn and winter
Best day on record: Sept 25th, 2010 - 432 in 4 hs (108 / h)


Mediterranean Gull
Main passage: autumn and winter
Best day on record: Nov 6th, 2011 - 704 in 6,15 hs (112,6 / h)

Little Gull
Main passage: winter
Best day on record: Dec 18th, 2011 - 3,026 in 6 hs (504,3 / h)

Sabine's Gull
Main passage: August - September
Best day on record: Sept 5th, 2008 - 421 in 5,30 hs (76,5 / h)


Kittiwake
Main passage: winter
Best day on record: Dec 5th, 2012 - 8,718 in 3 hs (2,906 / h)


Sandwich Tern
Main passage: August - October
Best day on record: Sept 14th, 1988 - 1,469 in 5,30 hs (267 / h)


Common / Arctic Tern
Main passage: august - september
Best day on record: Sept 16th, 2006 - 3,881 in 5,45 hs (674,9 / h)


Roseate Tern
Main passage: august - september
Best day on record: Sept 18th, 2011 - 137 in 11,45 hs (11,6 / h)


Little Tern
Main passage: august - september
Best day on record: Sept 14th, 1988 - 167 in 5,30 hs (30,3 / h)


Black Tern
Main passage: august - september
Best day on record: Sept 4th, 2005 - 281 in 3,45 hs (74,9 / h)


Guillemot
Main passage: winter
Best day on record: Dec 22th, 2011 - 460 in 4 hs (115 / h)


Razorbill
Main passage: winter
Best day on record: Nov 8th, 2003 - 1,802 in 4,30 hs (400,4 / h)


Puffin
Main passage: winter
Best day on record: Dec 12th, 2007 - 995 in 1,15 hs (796 / h)

Common Scoters from Estaca (Pablo Gutiérrez)

Great Shearwater. Photo taken in a pelagic in Galicia (Pablo Gutiérrez)

Cory's Shearwater. Photo taken in a pelagic in Galicia (Pablo Gutiérrez)

Manx Shearwaters. Photo from Estaca (Juan Sagardía)

Balearic Shearwater. Photo taken during a pelagic in Galicia (Pablo Gutiérrez)

Pomarine skua. Photo taken during a pelagic in Galicia (Dani López Velasco)

Great Skuas from Estaca (Juan Sagardía)

Razorbills from Estaca (Antonio Martínez Pernas)

Kittiwakes from Estaca (Antonio Martínez Pernas)