Class
Aves
Mammalia
Reptilia
Amphibia
Insecta
Arachnida
Malacostraca
Family
All families
Ostriches (Struthionidae)
Rheas (Rheidae)
Kiwis (Apterygidae)
Cassowaries, Emu (Casuariidae)
Tinamous (Tinamidae)
Screamers (Anhimidae)
Magpie Goose (Anseranatidae)
Ducks, Geese, Swans (Anatidae)
Megapodes (Megapodiidae)
Chachalacas, Curassows, Guans (Cracidae)
Guineafowl (Numididae)
New World Quail (Odontophoridae)
Pheasants and Allies (Phasianidae)
Loons (Gaviidae)
Penguins (Spheniscidae)
Austral Storm Petrels (Oceanitidae)
Albatrosses (Diomedeidae)
Petrels, Shearwaters, Diving Petrels (Procellariidae)
Grebes (Podicipedidae)
Flamingos (Phoenicopteridae)
Tropicbirds (Phaethontidae)
Storks (Ciconiidae)
Ibises, Spoonbills (Threskiornithidae)
Herons, Bitterns (Ardeidae)
Hamerkop (Scopidae)
Pelicans (Pelecanidae)
Frigatebirds (Fregatidae)
Gannets, Boobies (Sulidae)
Cormorants, Shags (Phalacrocoracidae)
Anhingas, Darters (Anhingidae)
New World Vultures (Cathartidae)
Ospreys (Pandionidae)
Kites, Hawks, Eagles (Accipitridae)
Bustards (Otididae)
Seriemas (Cariamidae)
Sunbittern (Eurypygidae)
Flufftails (Sarothruridae)
Finfoots (Heliornithidae)
Rails, Crakes and Coots (Rallidae)
Cranes (Gruidae)
Limpkin (Aramidae)
Buttonquail (Turnicidae)
Stone-curlews, Thick-knees (Burhinidae)
Sheathbills (Chionidae)
Magellanic Plover (Pluvianellidae)
Oystercatchers (Haematopodidae)
Ibisbill (Ibidorhynchidae)
Stilts, Avocets (Recurvirostridae)
Plovers (Charadriidae)
Painted-snipes (Rostratulidae)
Jacanas (Jacanidae)
Plains-wanderer (Pedionomidae)
Seedsnipes (Thinocoridae)
Sandpipers, Snipes (Scolopacidae)
Coursers, Pratincoles (Glareolidae)
Gulls, Terns and Skimmers (Laridae)
Skuas (Stercorariidae)
Auks (Alcidae)
Sandgrouse (Pteroclidae)
Pigeons, Doves (Columbidae)
Hoatzin (Opisthocomidae)
Turacos (Musophagidae)
Cuckoos (Cuculidae)
Barn Owls (Tytonidae)
Owls (Strigidae)
Frogmouths (Podargidae)
Potoos (Nyctibiidae)
Nightjars (Caprimulgidae)
Owlet-nightjars (Aegothelidae)
Treeswifts (Hemiprocnidae)
Swifts (Apodidae)
Hummingbirds (Trochilidae)
Mousebirds (Coliidae)
Trogons (Trogonidae)
Rollers (Coraciidae)
Kingfishers (Alcedinidae)
Motmots (Momotidae)
Bee-eaters (Meropidae)
Hoopoes (Upupidae)
Wood Hoopoes (Phoeniculidae)
Ground Hornbills (Bucorvidae)
Hornbills (Bucerotidae)
Jacamars (Galbulidae)
Puffbirds (Bucconidae)
New World Barbets (Capitonidae)
Toucan Barbets (Semnornithidae)
Toucans (Ramphastidae)
Asian Barbets (Megalaimidae)
African Barbets (Lybiidae)
Honeyguides (Indicatoridae)
Woodpeckers (Picidae)
Caracaras, Falcons (Falconidae)
New Zealand Parrots (Strigopidae)
Cockatoos (Cacatuidae)
African & New World Parrots (Psittacidae)
Old World Parrots (Psittaculidae)
Broadbills (Eurylaimidae)
Pittas (Pittidae)
Ovenbirds (Furnariidae)
Antbirds (Thamnophilidae)
Antthrushes (Formicariidae)
Antpittas (Grallariidae)
Gnateaters (Conopophagidae)
Tapaculos (Rhinocryptidae)
Tyrant Flycatchers, Calyptura (Tyrannidae)
Cotingas (Cotingidae)
Manakins (Pipridae)
Tityras, Becards, Sharpbill (Tityridae)
Bowerbirds (Ptilonorhynchidae)
Australasian Treecreepers (Climacteridae)
Australasian Wrens (Maluridae)
Honeyeaters (Meliphagidae)
Pardalotes (Pardalotidae)
Australasian Warblers (Acanthizidae)
Australasian Babblers (Pomatostomidae)
Logrunners (Orthonychidae)
New Zealand Wattlebirds (Callaeidae)
Stitchbird (Notiomystidae)
Whipbirds, Jewel-babblers, Quail-thrushes (Psophodidae)
Wattle-eyes, Batises (Platysteiridae)
Bushshrikes (Malaconotidae)
Boatbills (Machaerirhynchidae)
Vangas and Allies (Vangidae)
Woodswallows, Butcherbirds and Allies (Artamidae)
Ioras (Aegithinidae)
Cuckooshrikes (Campephagidae)
Whiteheads (Mohouidae)
Sittellas (Neosittidae)
Australo-Papuan Bellbirds (Oreoicidae)
Whistlers and allies (Pachycephalidae)
Shrikes (Laniidae)
Vireos, Greenlets & Shrike-babblers (Vireonidae)
Figbirds, Orioles & Turnagra (Oriolidae)
Drongos (Dicruridae)
Fantails (Rhipiduridae)
Monarchs (Monarchidae)
Crows, Jays (Corvidae)
Australian Mudnesters (Corcoracidae)
Birds-of-paradise (Paradisaeidae)
Australasian Robins (Petroicidae)
Rockjumpers (Chaetopidae)
Silky-flycatchers (Ptiliogonatidae)
Fairy Flycatchers (Stenostiridae)
Tits, Chickadees (Paridae)
Penduline Tits (Remizidae)
Nicators (Nicatoridae)
Bearded Reedling (Panuridae)
Larks (Alaudidae)
Bulbuls (Pycnonotidae)
Swallows, Martins (Hirundinidae)
Cupwings (Pnoepygidae)
Crombecs, African Warblers (Macrosphenidae)
Cettia Bush Warblers and Allies (Cettiidae)
Streaked Scrub Warbler (Scotocercidae)
Bushtits (Aegithalidae)
Leaf Warblers and Allies (Phylloscopidae)
Reed Warblers and Allies (Acrocephalidae)
Grassbirds and Allies (Locustellidae)
Cisticolas and Allies (Cisticolidae)
Babblers, Scimitar Babblers (Timaliidae)
Fulvettas, Ground Babblers (Pellorneidae)
Laughingthrushes and Allies (Leiothrichidae)
Sylviid Babblers (Sylviidae)
White-eyes (Zosteropidae)
Sugarbirds (Promeropidae)
Fairy-bluebirds (Irenidae)
Wrens (Troglodytidae)
Gnatcatchers (Polioptilidae)
Nuthatches (Sittidae)
Treecreepers (Certhiidae)
Mockingbirds, Thrashers (Mimidae)
Starlings, Rhabdornis (Sturnidae)
Oxpeckers (Buphagidae)
Thrushes (Turdidae)
Chats, Old World Flycatchers (Muscicapidae)
Dippers (Cinclidae)
Leafbirds (Chloropseidae)
Flowerpeckers (Dicaeidae)
Sunbirds (Nectariniidae)
Old World Sparrows, Snowfinches (Passeridae)
Weavers, Widowbirds (Ploceidae)
Waxbills, Munias and Allies (Estrildidae)
Indigobirds, Whydahs (Viduidae)
Olive Warbler (Peucedramidae)
Wagtails, Pipits (Motacillidae)
Finches, Euphonias (Fringillidae)
Buntings (Emberizidae)
New World Sparrows (Passerellidae)
Wrenthrush (Zeledoniidae)
Oropendolas, Orioles, Blackbirds (Icteridae)
New World Warblers (Parulidae)
Mitrospingid Tanagers (Mitrospingidae)
Cardinals, Grosbeaks and Tanager Allies (Cardinalidae)
Tanagers and allies (Thraupidae)
Shrike-tit (Falcunculidae)
Species
All species
Eurasian Wren (Troglodytes troglodytes)
Hermit Wood Wren (Henicorhina anachoreta)
Bicolored Wren (Campylorhynchus griseus)
Cactus Wren (Campylorhynchus brunneicapillus)
Grass Wren (Cistothorus platensis)
Sepia-brown Wren (Cinnycerthia olivascens)
Grey-breasted Wood Wren (Henicorhina leucophrys)
Bay Wren (Cantorchilus nigricapillus)
House Wren (Troglodytes aedon)
Stripe-backed Wren (Campylorhynchus nuchalis)
A search for the species Grass Wren (Cistothorus platensis)
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