1,247 Sooty Shearwaters
10,522 Northern Gannets
1,247 Manx Shearwaters
34 Pomarine Skuas
18 Arctic Skuas
42 Great Skuas
Etc
The day before Antonio Martinez Pernas found this Greater short-toed Lark (first sighting in the area) at the headland:
1,060 Sooty Shearwaters
5,518 Northern Gannets
486 Manx Shearwaters
8 Pomarine Skuas
11 Arctic Skuas
11 Great Skuas
Etc
Birders at the Headland: Antonio Sandoval Rey, Ricardo Hevia Barcón
Here's a tiny video of the seabird passage, and Greater short-toed Lark: