Gary Stewart: St. James's Park Life List BOU, All records Record(s) 1 to 21 of 21 total. Seq. Species Scientific Name Rare? Date Location Comments 1 Greylag Goose Anser anser 2 Mute Swan Cygnus olor 3 Gadwall Mareca strepera 4 Wigeon Mareca penelope 5 Mallard Anas platyrhynchos 6 Red-crested Pochard Netta rufina 7 Pochard Aythya ferina 8 Tufted Duck Aythya fuligula 9 Ruddy Duck Oxyura jamaicensis Highly mobile. 10 Woodpigeon Columba palumbus 11 Moorhen Gallinula chloropus 12 Coot Fulica atra 13 Little Grebe Tachybaptus ruficollis 14 Great Crested Grebe Podiceps cristatus 15 Black-headed Gull Chroicocephalus ridibundus 16 Herring Gull Larus argentatus 17 Cormorant Phalacrocorax carbo 18 Grey Heron Ardea cinerea 19 Magpie Pica pica 20 Carrion Crow Corvus corone 21 Robin Erithacus rubecula