From time to time species are removed from the IOC World Bird List. For example, in revision 7.3 of the IOC World Bird List, the species Bogota Sunangel (Heliangelus zusii) was removed as a species as it was considered to be a hybrid of the Long-tailed Sylph (Aglaiocercus kingii) and another species. So how does Chirp account for species that are removed from the IOC World Bird List?

Chirp will do the following for species removed from the IOC World Bird List:

  1. Chirp will label the implicated species as inactive.
  2. The inactive species label will prevent any records of the species counting towards life lists.
  3. Chirp will then make an effort to contact all users with records of the species to notify them of the change. We will also notify users if their species record should be changed to another species.

If you have any feedback regarding the above process, please feel free to comment below or send us feedback by clicking on the 'Feedback' button on the right of your screen (desktop only).

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Category: Taxonomy
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