Atención: Algunas o todas las identificaciones afectadas por esta división puede haber sido reemplazada por identificaciones de 
Gelochelidon. Esto ocurre cuando no podemos asignar automáticamente una identificación a uno de los taxones de salida.
Revisar identificaciones de Gelochelidon nilotica 144536
Gelochelidon. Esto ocurre cuando no podemos asignar automáticamente una identificación a uno de los taxones de salida.
Revisar identificaciones de Gelochelidon nilotica 144536
Taxonomic Split 132983
(Guardado el 31/10/2023)
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Comentarios
This one is tricky as there are records of G. nilotica affinis from all around Australia, including in iNat, and it's probably under-reported. The Birdlife map for nilotica has the range extending down the East coast to northern NSW, so I think it is worth extending the atlas for nilotica, though maybe not as far -so I've added the coast as far as Townsville (it's described as regular in Cairns). Hopefully any records in iNat from further south will have been identified as affinis
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Usá ArgentiNat con app iNaturalist
@thebeachcomber I switch here to not flood the other subject.
I have tweaked the atlas a little to exclude coastal East Queensland from nilotica, as records are very rare there, and the interior since according to ebird nilotica is never found far from the sea.
With these changes, the overlap of both species is for: Indonesia, New Zealand, West Australia (the State), coastal Northern Territories and NW Queensland.
The east coast of Queensland, NSW, Victoria, South Australia and the outback (e.g. Alice Springs) should be macrotarsa only.
With this approach you should end up with approx. 1000 IDs switched to macrotarsa, and 224 in the overlap zone that will become Gelochelidon sp. That's for Australia, and adjacent regions, the rest of the world stays nilotica.
So that means between 100 and 200 obs will become Gelochelidon sp. and will need to be reassessed. Sound acceptable to me...
@birdwhisperer @rjq Would you validate with this split?