Dutch Birding

Purperkoet

Porphyrio porphyrio  ·  Western Swamphen

Purperkoet  ·  Porphyrio porphyrio  ·  01-09-2025  ·  Miranda Konings

Datum 1 september 2025
Locatie Zevenhuizen
Fotograaf Miranda Konings
Bekeken 819 ×

Discussie

Arnoud B van den Berg
 ·  2 september 2025  13:30, gewijzigd 2 september 2025  13:30

En, anders dan de vorige, een tijd van het jaar waarin je de soort hier verwacht…

Andreas Noeske
 ·  2 september 2025  18:02, gewijzigd 2 september 2025  18:05

Unfortunately, the CDNA has opened up Pandora's box here:

Western Swamphen Porphyrio porphyrio – from A to D

Grey-headed Swamphen Porphyrio poliocephalus – from E to D

According to Barthel & Krüger 2019 and Club300 in Germany we have

Western Swamphen Porphyrio porphyrio – BD

Grey-headed Swamphen Porphyrio poliocephalus – A

Will D-species count in the Dutch Ranking? Although D-species are not part of the German list, they are countable in the Club300 Ranking Germany. In case D-species are not countable the 435 birders who have seen the Western Swamphen will argue for something.

@ Arnoud, as I can see you (as others) do not have Branta canadensis as a C-species on your list, but perhaps Porphyrio porphyrio as doubtful D-species when categories come into effect, interesting.

So, I am curious to see what happens with "problem"-species.

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