As the boat headed out into the Golfo de Cádiz, we soon started to see Balearic Shearwaters (our final total was c40 birds) and European Storm-petrels (our total was also c40 birds). Despite the calm conditions, the latter were difficult to see as they skittered quickly past just above the water and, for once, I found myself regretting that I had changed from x8 binoculars to x10 as every lurch of the boat was magnified. After a handful of stormies (a Spanish tick), another petrel hove into view which was clearly something different. There was some speculation that it was a Leach's as it lacked European Storm-petrel's pale bar on the underwing. I found this ID unconvincing but fortunately Barry had the presence of mind to get several photos (see below) of the bird which confirmed that it was a Wilson's Storm-petrel. The clinching feature was that its toes clearly extended beyond the tail. Another Spanish tick and my first for thirty-odd years. Another Spanish tick and again my first for many years, was a far more co-operative Grey Phalarope (oddly enough, a few weeks after returning to the UK, I had a Grey Phalarope at a regular haunt (Stodmarsh) and what was almost certainly a second one at Reculver. Cory's Shearwater, Arctic Skua and Bottle-nosed Dolphins also had walk-on parts in the drama.
Mention of lists reminds me to mention that Barry got the four species he wanted to add to his impressive 7,700+ World list: Pin-tailed Sandgrouse, Iberian Azure-winged Magpie, Iberian Green Woodpecker and Spanish Imperial Eagle.