411 REFERENCE · Wikibooks
Dichotomous Key/Aves
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
Aves Animalia Animalia Chordata Chordata Vertebrata Vertebrata Aves Aves
Key to Aves
Neognathae: Has the ability to fly.
2: Does not have the ability to fly.
2
5: Feet are webbed or lobate.
6: Feet are not webbed or lobate.
5
Spheniscidae: Wings modified into flippers
7: Wings not modified into flippers
6
8: Height is over 70 centimeters
9: Height is less than 70 centimeters
7
10: Head is solid black or brown
11: Head is at least half white
8
Struthio camelus: Two toes present on each foot.
14: Three toes present on each foot
9
16: Horn-like spongy crest present on forehead
17: No crest present on forehead
10
12: Dark brown to tan coloration clearly present in plumage.
13: Dark brown to tan coloration not clearly present in plumage.
11
Podiceps taczanowskii: Plumage a mix of black and white only; Eyes are red.
Rollandia microptera: Plumage a mix of black, brown, and white; Eyes are black.
12
Anas aucklandica: Plumage color change from head to body gradual; Birds of the Auckland Islands.
Anas nesiotis: Plumage color change from head to body abrupt; Birds of the Campbell Islands.
13
unfinished
Nannopterum harrisi, Flightless Cormorant
Tachyeres pteneres, Fuegian Steamer Duck
Tachyeres brachypterous, Falkland Steamer Duck
Tachyeres leucocephalus, Chubut Steamer Duck
14
Dromaius novaehollandiae: Flaps wings when running; Small claw present at tip of wing.
15: Wings spread while running, acting as sails; Small claw absent at tip of wing.
15: Rheas
Rhea americana: Adult is over 120 centimeters tall; Weight is 45-60 pounds; Bill measures 8-11 centimeters long; Birds of Argentina, Bolivia, Brazil, Paraguay, and Uruguay.
Rhea pennata: Adult is less than 120 centimeters tall; Weight is 33-60 pounds; Bill measures 6-9 centimeters; Birds of Argentina, Bolivia, Chile, and Peru.
16: Cassowaries
unfinished
Casuarius casuarius, Southern Cassowary
Casuarius unappendiculatus, Northern Cassowary
Casuarius bennetti, Dwarf Cassowary
17
unfinished
18: Kiwis
19: everything else
18: Kiwis
unfinished
Apteryx australis, Southern Brown Kiwi
Apteryx haastii, Great Spotted Kiwi
Apteryx mantelli, North Island Brown Kiwi
Apteryx owenii, Little Spotted Kiwi
Apteryx rowi, Okarito Brown Kiwi
19
Strigops habroptilus: Two forward facing toes and two backward facing toes
20: Feet not arranged with two facing forward and two facing back.
20
21: Chest plumage appearing to have zebra-like black and white stripes.
22: Chest plumage with a solid color or if not, then plumage not appearing to have zebra stripes.
21
unfinished
Aramidopsis plateni, Snoring Rail;
Gallirallus rovianae, Roviana Rail;
Gallirallus owstoni, Guam Rail;
Gallirallus okinawae, Okinawa Rail;
Gallirallus insignis, New Britain Rail also Pink Leg Rail
22
unfinished
Tasmanian Nativehen, Gough Island Moorhen, Makira Wood Rail, Samoan Wood Rail, Takahe (bright blue/green plumage), New Guinea Flightless Rail, invisible rail, Red-eyed Crake, Inaccessible Rail, Calayan Rail, Lord Howe Woodhen, New Caledonian Rail, Weka, Woodford's Rail, Giant Coot
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