In the overview below you will find the recommended ring size for each water bird species..
The following points should be taken into account when ringing your wildfowl:
- A closed ring is fitted to the growing bird at the point when it fits snugly over the foot so it does not fall off. For some wildfowl species, this is a very short window. Consult the birdguide for proper ring sizes.
- It is important that the ring cannot slip up over the ankle (hock) joint.
Common name | Scientific name | Recommended size | |
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American wigeon | Anas americana | 9 |
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Auckland Teal | Anas aucklandica | 9 |
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Australasian shoveler | Anas rhynchotis | 9 |
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Australian grey teal | Anas gracilis | 9 |
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Australian Wood Duck | Chenonetta jubata | 12 |
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Bahama Pintail | Anas bahamensis | 11 |
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Baikal teal | Anas formosa | 8 |
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Bronze-winged duck | Speculanas specularis | 12 |
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Cape Shoveler | Anas smithii | 9 |
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Cape Teal | Anas capensis | 9 |
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Chestnut Teal | Anas castanea | 9 |
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Chiloé wigeon | Mareca sibilatrix | 10 |
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Cinnamon Teal | Anas cyanoptera | 8 |
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Eaton's pintail | Anas eatoni eatoni | 9 |
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Eurasian Wigeon | Mareca penelope | 9 |
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Falcated duck | Mareca falcata | 10 |
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Gadwall | Mareca strepera | 10 |
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Green-winged Teal | Anas (crecca) carolinensis | 6.5 |
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Hartlaub's Duck | Pteronetta hartlaubi | 11 |
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Hawaiian duck | Anas wyvilliana | 9 |
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Hottentot Teal | Anas hottentota | 6,5 |
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Laysan duck | Anas laysanensis | 9 |
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Madagascar Teal | Anas bernieri | 8 |
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Marbled Teal | Marmaronetta angustirostris | 8 |
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Mellers duck | Anas melleri | 10 |
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Mexican duck | Anas platyrchynchos diazi | 11 |
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Mottled duck | Anas fulvigula | 11 |
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New Zealand brown teal | Anas chlorotis | 9 |
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Pacific Black Duck | Anas superciliosa | 11 |
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Patagonian crested duck | Anas specularioide | 12 |
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Philippine Duck | Anas luzonica | 11 |
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Puna teal | Anas puna | 9 |
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Red shoveler | Anas platalea | 9 |
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Ringed teal | Callonetta leucophrys | 8 |
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Salvadori's Teal | Salvadorina waigiuensis | 9 |
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Silver Teal | Anas versicolor | 8 |
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Spot-billed duck | Anas poecilorhyncha | 12 |
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Yellow-billed Duck | Anas undulata | 12 |
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Yellow-billed pintail | Anas georgica | 9 |
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Yellow-billed teal | Anas flavirostris | 9 |
Common name | Scientific name | Recommended size | |
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Ferruginous Pochard | Aythya nyroca | 9 |
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Baer's Pochard | Aythya baeri | 10 |
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Barrow's goldeneye | Bucephala islandica | 11 |
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Common Pochard | Aythya ferina | 10 |
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Hardhead duck | Aythya australis | 10 |
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Lesser Scaup | Aythya affinis | 9 |
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Madagascar Pochard | Aythya innotata | 11 |
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Musk Duck | Biziura lobata | 13 |
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Ring-necked duck | Aythya collaris | 9 |
Common name | Scientific name | Recommended size | |
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African Black Duck | Anas sparsa | 11 |
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Andaman Teal | Anas albogularis | 10 |
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Blue Duck | Hymenolaimus malacorhynchos | - |
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Comb duck | Sarkidiornis sylvicola | 14♂︎/12♀︎ |
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Freckled Duck | Stictonetta naevosa | 9 |
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Knob-billed duck | Sarkidiornis melanotis | 14♂︎/12♀︎ |
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Northern shoveler | Anas clypeata | 9 |
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Red-crested pochard | Netta rufina | 11 |
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Southern pochard | Netta erythrophthalma brunnea | 11 |
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White-backed duck | Thalassornis leuconotus leuconotus | 10 |
Common name | Scientific name | Recommended size | |
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Steamerduck (Magellanic) | Tachyeres pteneres | 20 |
Common name | Scientific name | Recommended size | |
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Bar-headed goose | Anser indicus | 16 |
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Barnacle Goose | Branta leucopsis | 14 |
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Black Brent Goose (pacific) | Branta bernicla nigricans | 12 |
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Blue-winged Goose | Cyanochen cyanopterus | 14 |
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Dark-bellied Brent Goose (Russian) | Branta bernicla | 12 |
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Emperor Goose | Anser canagica | 16 |
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Kelp Goose | Chloephaga hybrida | 18 |
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Lesser White-fronted Goose | Anser erythropus | 14 |
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Nene Hawaiian goose | Branta sandvicensis | 16 |
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Orinoco Goose | Neochen jubata | 14 |
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Red-breasted Goose | Branta ruficollis | 12 |
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Ross's Goose | Anser rossii | 14 |
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Swan Goose | Anser cygnoides | 20 |
Common name | Scientific name | Recommended size | |
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Common merganser | Mergus merganser | 13 |
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Muscovy duck | Cairina moschata | 14 |
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White-winged wood duck | Cairina scutulata | 16♂︎/14♀︎ |
Common name | Scientific name | Recommended size | |
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Black scoter (Americana) | Melanitta nigra americana | 12 |
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Red-breasted merganser | Mergus serrator | 11 |
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Scaly-sided merganser | Mergus squamatus | 11 |
Common name | Scientific name | Recommended size | |
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Trumpeter Swan | Cygnus buccinator | 27 |
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Whooper Swan | Cygnus cygnus | 27 |
Common name | Scientific name | Recommended size | |
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Magpie Goose | Anseranas semipalmata | 18 |
Common name | Scientific name | Recommended size | |
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Common goldeneye | Bucephala clangula | 10 |
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Long-tailed duck | Clangula hyemalis | 9 |
Common name | Scientific name | Recommended size | |
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African Pygmy Goose | Nettapus auritus | 6 |
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Brazilian teal | Amazonetta brasiliensis | 8 |
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Cotton pygmy goose | Nettapus coromandelianus | 6,5 |
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Green Pygmy Goose | Nettapus pulchellus | 7 |
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Wood duck | Aix sponsa | 9 |
Common name | Scientific name | Recommended size | |
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Brazilian Merganser | Mergus octosetaceus |
Common name | Scientific name | Recommended size | |
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Eider, Common | Somateria mollissima | 13 |
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Eider, King | Somateria spectabilis | 12 |
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Scoter, Surf | Melanitta perspicillata | 11 |
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Scoter, Velvet (Eurasian) | Melanitta fusca | 12 |
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Scoter, white-winged | Melanitta fusca deglandi | 13 |
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Smew | Mergellus albellus | 9 |
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Spectacled eider | Somateria fischeri | 12 |
Common name | Scientific name | Recommended size | |
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Ashy-headed Goose | Chloephaga poliocephala | 14 |
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Cape Barren Goose | Cereopsis novaehollandiae | 20 |
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Ruddy-headed Goose | Chloephaga rubridiceps | 14 |
Common name | Scientific name | Recommended size | |
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Australian Shelduck | Tadorna tadornoides | 14 |
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Common Shelduck | Tadorna tadorna | 12 |
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Paradise Shelduck | Tadorna variegata | 13 |
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Radjah Shelduck | Tadorna radjah | 12 |
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Ruddy Shelduck | Tadorna ferruginea | 13 |
Common name | Scientific name | Recommended size | |
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Garganey | Anas querquedula | 7 |
Common name | Scientific name | Recommended size | |
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Tufted duck | Aythya fuligula | 9 |
Common name | Scientific name | Recommended size | |
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Hooded merganser | Lophodytes cucullatus | 9 |
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Pink-Eared Duck | Malacorhynchus membranaceus | 8 |
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Torrent Duck | Merganetta armata | 12 |
Common name | Scientific name | Recommended size | |
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Bufflehead | Bucephala albeola | 8 |
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Harlequin Duck | Histrionicus histrionicus | 9 |
Common name | Scientific name | Recommended size | |
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Maccoa duck | Oxyura maccoa | 9 |
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White-Headed duck | Oxyura leucocephala | 10 |
Common name | Scientific name | Recommended size | |
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Campbell Teal | Anas nesiotis | 9 |
Common name | Scientific name | Recommended size | |
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Steller's eider | Polysticta stelleri | 10 |
Common name | Scientific name | Recommended size | |
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South African Shelduck | Tadorna cana | 13 |
Common name | Scientific name | Recommended size | |
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Flying Steamerduck | Tachyeres patachonicus | 18 |
Common name | Scientific name | Recommended size | |
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Blue-billed duck | Oxyura australis | 9 |
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Lake duck | Oxyura vittata | 9 |
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Ruddy duck | Oxyura jamaicensis jamaicensis | 9 |
Common name | Scientific name | Recommended size | |
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Bewick's swan | Cygnus columbianus bewickii | 24 |
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Black Swan | Cygnus atratus | 20 |
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Black-necked Swan | Cygnus melanocorypha | 20 |
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Coscoroba Swan | Coscoroba coscoroba | 20 |
Common name | Scientific name | Recommended size | |
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Black bellied Whistling duck | Dendrocygna autumnalis | 12 |
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Fulvous Whistling duck | Dendrocygna bicolor | 12 |
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Lesser Whistling duck | Dendrocygna javanica | 10 |
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Plumed Whistling duck | Dendrocygna eytoni | 11 |
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Spotted Whistling duck | Dendrocygna guttata | 11 |
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Wandering whistling duck | Dendrocygna arcuata australis | 12 |
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West Indian Whistling duck | Dendrocygna arborea | 13 |
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White-faced Whistling duck | Dendrocygna viduata | 11 |
Common name | Scientific name | Recommended size | |
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Black stork | Ciconia nigra | 18 |
Common name | Scientific name | Recommended size | |
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Black Crowned Crane | Balearica pavonina | 18 |
Common name | Scientific name | Recommended size | |
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Demoiselle Crane | Anthropoides virgo | 16 |
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Eurasian crane | Grus grus | 18 |
Common name | Scientific name | Recommended size | |
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Shoebill stork | Balaeniceps rex |
Common name | Scientific name | Recommended size | |
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American White Ibis | Eudocimus albus | 12 |
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Blackfaced ibis | Theristicus melanopis | 14 |
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Northern Bald Ibis | Geronticus eremita | 14 |
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Scarlet Ibis | Eudocimus ruber | 12 |
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White-faced Ibis | Plegadis chihi | 10 |
Common name | Scientific name | Recommended size | |
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African Spoonbill | Platalea alba | 14 |
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Eurasian Spoonbill | Platalea leucorodia | 18 |
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Roseate spoonbill | Platalea ajaja | 14 |
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Royal Spoonbill | Platalea regia | 0 |