My Portuguese list
Some of the birds that I saw:
Great Crested Grebe
Black-necked Grebe
Little Grebe
Great Cormorant
Little Great
Great Egret
Squacco Heron
Grey Heron
Black-crowned Night Heron
Glossy Ibis
White Stork
Greater Flamingo
Mallard
Shoveler
Wigeon
Teal
Osprey
Marsh Harrier
Common Buzzard
Black-shouldered Kite
Sparrowhawk
Kestrel
Coot
Oystercatcher
Black-winged Stilt
Ringed Plover
Grey Plover
Lapwing
Common Sandpiper
Greenshank
Redshank
Bar-tailed Godwit
Curlew
Ruff
Snipe
Black-headed Gull
Mediterranean Gull
Little Gull
Yellow-legged Gull
Lesser Black-back
Sandwich Tern
Wood Pigeon
Collared Dove
Little Owl
Kingfisher
Great Spotted Woodpecker (heard)
Skylark
Barn Swallow
Meadow Pipit
White Wagtail
Wren (heard)
Robin
Black Redstart
Stonechat
Song Thrush
Redwing
Blackbird
Blackcap
Zitting Cisticola
Chiffchaff
Great Tit
Blue Tit
Long-tailed Tit
Nuthatch
Iberian Grey Shrike
Magpie
Azure-winged Magpie
Jay
Carrion Crow
Spotless Starling
House Sparrow
Chaffinch
Siskin
Serin
Greenfinch
Goldfinch
Rock Bunting
Corn Bunting
81 species
Awesome, that's such an amazing list and for just a few days' birding!
My ringing trainer @ScouseRinger travels to Portugal quite often. That's a vast list of birds. From Findlay