It's been another long but highly enjoyable day. We headed south, to Algarve, where we started with a boat trip. Highlights included a wide range of wader species, a Slender-billed Gull, and a some Fiddler Crabs.
Next we visited some salt pans where we found a a Caspian Tern and a flock of Audouin's Gulls and more waders.
At a second site, we came across Booted Eagle, a juvenile Little Tern, a juvenile Common Tern and several more Caspian Terns.
At Quinta do Largo pool we got good views of Purple Swamp-hen and a juvenile Littler Bittern, plus Pochard, a male Tufted Duck, Red-crested Pochard, and plenty of Azure-winged Magpies.
We finished the day at a fantastic little reserve, Castro Marim—a series of working salt pans in the very southwest corner of Portugal—before heading back to Mértola for dinner with the mayor...