Leader: Xavier Garcia
Captain Radomir Novosel
Critter Club – Wildlife Checklist
Antarctica, South Georgia & The Falkland Islands: 1 March – 22 March 2025
DUCKS, GEESE, AND WATERFOWL ANATIDAE
Upland Goose - Chloephaga picta
Kelp Goose - Chloephaga hybrida X
Ashy-headed Goose - Chloephaga poliocephala (M)
Ruddy-headed Goose - Chloephaga rubidiceps (M)
Flying Steamer-Duck - Tachyeres patachonicus (M)
Falkland Steamer-Duck - Tachyeres brachypterus (M)
Crested Duck - Lophonetta specularioides
Yellow-billed Pintail - Anas georgica
MAGELLANIC PLOVER PLUVIANELLIDAE
Magellanic Plover - Pluvianellus socialis (M)
SHEATHBILLS CHIONIDAE
Snowy Sheathbill - Chionis albus (M)
OYSTERCATCHERS HAEMATOPODIDAE
Blackish Oystercatcher - Haematopus ater (M)
Magellanic Oystercatcher - Haematopus leucopodus (M)
PLOVERS AND LAPWINGS CHARADRIIDAE
Rufous-chested Dotterel - Zonibyx modestus (M)
Southern Lapwing - Vanellus chilensis X
Two-banded Plover - Anarhynchus falklandicus (M)
SANDPIPERS AND ALLIES SCOLOPACIDAE
Magellanic Snipe - Gallinago magellanica (M)
SKUAS AND JAEGERS STERCORARIIDAE
Chilean Skua - Stercorarius chilensis (M) X
Brown Skua - Stercorarius antarcticus
South Polar Skua - Stercorarius maccormicki (M)
GULLS, TERNS, AND SKIMMERS LARIDAE
Brown-hooded Gull - Chroicocephalus maculipennis X
Dolphin Gull - Leucophaeus scoresbii (M) X
Kelp Gull - Larus dominicanus
Arctic Tern - Sterna paradisaea (M)
South American Tern - Sterna hirundinacea (M) X
Antarctic Tern - Sterna vittata (M)
GREBES PODICIPEDIDAE
White-tufted Grebe - Rollandia rolland
Silvery Grebe - Podiceps occipitalis
PENGUINS SPHENISCIDAE
King Penguin - Aptenodytes patagonicus (M)
Emperor Penguin - Aptenodytes forsteri (M)
Critter Club – Wildlife Checklist
Antarctica, South Georgia & The Falkland Islands: 1 March – 22 March 2025
Adelie Penguin - Pygoscelis adeliae (M)
Gentoo Penguin - Pygoscelis papua
Chinstrap Penguin - Pygoscelis antarcticus (M)
Magellanic Penguin - Spheniscus magellanicus (M) X
Macaroni Penguin - Eudyptes chrysolophus (M)
Southern Rockhopper Penguin - Eudyptes chrysocome
ALBATROSSES DIOMEDEIDAE
Northern Royal Albatross - Diomedea sanfordi (M)
Southern Royal Albatross - Diomedea epomophora (M)
Snowy Albatross - Diomedea exulans (M)
Tristan Albatross - Diomedea dabbenena (M)
Antipodean Albatross - Diomedea antipodensis
Amsterdam Albatross - Diomedea amsterdamensis (M)
Light-mantled Albatross - Phoebetria palpebrata (M)
Atlantic Yellow-nosed Albatross - Thalassarche chlororhynchos (M)
Gray-headed Albatross - Thalassarche chrysostoma (M)
Black-browed Albatross - Thalassarche melanophris
SOUTHERN STORM-PETRELS OCEANITIDAE
Wilson's Storm-Petrel - Oceanites oceanicus
Gray-backed Storm-Petrel - Garrodia nereis (M)
White-faced Storm-Petrel - Pelagodroma marina (M)
White-bellied Storm-Petrel - Fregetta grallaria (M)
Black-bellied Storm-Petrel - Fregetta tropica
SHEARWATERS AND PETRELS PROCELLARIIDAE
Southern Giant-Petrel - Macronectes giganteus (M)
Northern Giant-Petrel - Macronectes halli (M)
Southern Fulmar - Fulmarus glacialoides (M)
Antarctic Petrel - Thalassoica antarctica (M)
Pintado Petrel - Daption capense
Snow Petrel - Pagodroma nivea
Soft-plumaged Petrel - Pterodroma mollis
White-headed Petrel - Pterodroma lessonii (M)
Mottled Petrel - Pterodroma inexpectata (M)
Atlantic Petrel - Pterodroma incerta (M)
Blue Petrel - Halobaena caerulea (M)
Fairy Prion - Pachyptila turtur (M)
Broad-billed Prion - Pachyptila vittata (M)
Antarctic Prion - Pachyptila desolata
Slender-billed Prion - Pachyptila belcheri (M)
White-chinned Petrel - Procellaria aequinoctialis
Spectacled Petrel - Procellaria conspicillata (M)
Westland Petrel - Procellaria westlandica (M)
Great Shearwater - Ardenna gravis (M)
Sooty Shearwater - Ardenna grisea (M)
Manx Shearwater - Puffinus puffinus
Common Diving-Petrel - Pelecanoides urinatrix
South Georgia Diving-Petrel - Pelecanoides georgicus
Magellanic Diving-Petrel - Pelecanoides magellani (M)
Critter Club – Wildlife Checklist
Antarctica, South Georgia & The Falkland Islands: 1 March – 22 March 2025
CORMORANTS AND SHAGS PHALACROCORACIDAE
Magellanic Cormorant - Leucocarbo magellanicus (M) X
South Georgia Shag - Leucocarbo georgianus (M)
Imperial Cormorant - Leucocarbo atriceps X
Antarctic Shag - Leucocarbo bransfieldensis (M)
HERONS, EGRETS, AND BITTERNS ARDEIDAE
Black-crowned Night Heron - Nycticorax nycticorax
NEW WORLD VULTURES CATHARTIDAE
Turkey Vulture - Cathartes aura
HAWKS, EAGLES, AND KITES ACCIPITRIDAE
Variable Hawk - Geranoaetus polyosoma
OWLS STRIGIDAE
Short-eared Owl - Asio flammeus
FALCONS AND CARACARAS FALCONIDAE
Crested Caracara - Caracara plancus
Chimango Caracara - Daptrius chimango X
Striated Caracara - Daptrius australis (M)
OVENBIRDS AND WOODCREEPERS FURNARIIDAE
Blackish Cinclodes - Cinclodes antarcticus
TYRANT FLYCATCHERS TYRANNIDAE
Dark-faced Ground-Tyrant - Muscisaxicola maclovianus
Eastern Kingbird - Tyrannus tyrannus (M) Fork-tailed Flycatcher - Tyrannus savana (M)
WRENS TROGLODYTIDAE
Southern House Wren - Troglodytes musculus X Cobb's Wren - Troglodytes cobbi (M) Grass Wren - Cistothorus platensis
STARLINGS STURNIDAE
European Starling - Sturnus vulgaris (M)
THRUSHES AND ALLIES TURDIDAE
Austral Thrush - Turdus falcklandii
OLD WORLD SPARROWS PASSERIDAE
House Sparrow - Passer domesticus
WAGTAILS AND PIPITS MOTACILLIDAE
Correndera Pipit - Anthus correndera
South Georgia Pipit - Anthus antarcticus (M)
Critter Club – Wildlife Checklist
Antarctica, South Georgia & The Falkland Islands: 1 March – 22 March 2025
FINCHES, EUPHONIAS, AND ALLIES FRINGILLIDAE
Black-chinned Siskin - Spinus barbatus (M)
NEW WORLD SPARROWS PASSERELLIDAE
Rufous-collared Sparrow - Zonotrichia capensis (M) X
TROUPIALS AND ALLIES ICTERIDAE
Long-tailed Meadowlark - Leistes loyca X
TANAGERS AND ALLIES THRAUPIDAE
White-bridled Finch - Melanodera melanodera X Yellow-bridled Finch - Melanodera xanthogramma (M)
Kerguelen Petrel - Aphrodroma brevirostris
SEA LIONS OTARIIDAE
South American Fur Seal - Arctocephalus australis (M) X
Antarctic Fur Seal - Arctocephalus gazella (M)
Subantarctic Fur Seal - Arctocephalus tropicalis (M)
South American Sea Lion - Otaria flavescens (M) X
EARLESS SEALS PHOCIDAE
Leopard Seal - Hydrurga leptonyx (M)
Weddell Seal - Leptonychotes weddellii (M)
Crabeater Seal - Lobodon carcinophaga (M)
Southern Elephant Seal - Mirounga leonina (M)
BOWHEAD AND RIGHT WHALES BALAENIDAE
Southern Right Whale - Eubalaena australis (M)
PYGMY RIGHT WHALE NEOBALAENIDAE
Pygmy Right Whale - Caperea marginata (M)
RORQUALS BALAENOPTERIDAE
Common Minke Whale - Balaenoptera acutorostrata (M)
Antarctic Minke Whale - Balaenoptera bonaerensis (M)
Sei Whale - Balaenoptera borealis (M) X
Blue Whale - Balaenoptera musculus (M)
Fin Whale - Balaenoptera physalus (M)
Humpback Whale - Megaptera novaeangliae (M)
Sperm Whale - Physeter macrocephalus (M)
BEAKED WHALES ZIPHIIDAE
Arnoux's Beaked Whale - Berardius arnuxii (M)
Southern Bottlenose Whale - Hyperoodon planifrons (M)
Andrews's Beaked Whale - Mesoplodon bowdoini (M)
Gray's Beaked Whale - Mesoplodon grayi (M)
Hector's Beaked Whale - Mesoplodon hectori (M)
Strap-toothed Whale - Mesoplodon layardii (M)
Shepherd's Beaked Whale - Tasmacetus shepherdi (M)
Critter Club – Wildlife Checklist
Antarctica, South Georgia & The Falkland Islands: 1 March – 22 March 2025
Cuvier's Beaked Whale - Ziphius cavirostris (M)
OCEANIC DOLPHINS DELPHINIDAE
Commerson's Dolphin - Cephalorhynchus commersonii X Long-finned Pilot Whale - Globicephala melas (M) X
Risso's Dolphin - Grampus griseus (M)
Southern Right-whale Dolphin - Lissodelphis peronii (M)
Killer Whale - Orcinus orca (M) False Killer Whale - Pseudorca crassidens (M)
Peale's Dolphin - Sagmatias australis (M)
Hourglass Dolphin - Sagmatias cruciger (M) X Dusky Dolphin - Sagmatias obscurus (M)
Common Bottlenose Dolphin - Tursiops truncatus (M)
PORPOISES PHOCOENIDAE
Spectacled Porpoise - Phocoena dioptrica