Aythya australis
E1318572
UNEXPLORED
Aythya australis, commonly known as the hardhead, is a diving duck native to Australia, recognized for its chestnut-brown plumage and preference for deep freshwater habitats.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Aythya australis canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T18315094 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Aythya australis Context triple: [Aythya, hasSpecies, Aythya australis]
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A.
Calyptorhynchus banksii
Calyptorhynchus banksii is a large, mostly black Australian cockatoo species distinguished by its striking red tail panels and loud, rolling calls.
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B.
Anguilla australis
Anguilla australis is a species of freshwater eel native to Australasia, known for its elongated body and migratory life cycle between rivers and the ocean.
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C.
Parotia
Parotia is a genus of birds-of-paradise known for the males’ elaborate courtship dances and ornate plumage.
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D.
Porphyrio hochstetteri
Porphyrio hochstetteri is the South Island takahē, a large, flightless and endangered rail species endemic to New Zealand.
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E.
Austral parakeet
The Austral parakeet is a hardy, green-and-red parrot native to southern South America and notable as one of the world’s southernmost parrot species.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Aythya australis Target entity description: Aythya australis, commonly known as the hardhead, is a diving duck native to Australia, recognized for its chestnut-brown plumage and preference for deep freshwater habitats.
-
A.
Calyptorhynchus banksii
Calyptorhynchus banksii is a large, mostly black Australian cockatoo species distinguished by its striking red tail panels and loud, rolling calls.
-
B.
Anguilla australis
Anguilla australis is a species of freshwater eel native to Australasia, known for its elongated body and migratory life cycle between rivers and the ocean.
-
C.
Parotia
Parotia is a genus of birds-of-paradise known for the males’ elaborate courtship dances and ornate plumage.
-
D.
Porphyrio hochstetteri
Porphyrio hochstetteri is the South Island takahē, a large, flightless and endangered rail species endemic to New Zealand.
-
E.
Austral parakeet
The Austral parakeet is a hardy, green-and-red parrot native to southern South America and notable as one of the world’s southernmost parrot species.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.