Latest List Update

Rose-breasted Grosbeak added to Carlos Sanchez's Continental North America 2008 year list (ABA), 10 October 2008. List total is 206.

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Species Lists and Authorities FAQ

One of the key features of BUBO Listing is that we do not personally decide what is or is not acceptable to count on a list. Instead, we make use of species lists compiled by other "authorities". For each given region, we assign a suitable authority which then determines which species are available to count on a list for that region. In some cases, more than one authority is assigned to a region, and the lister can decide which authority to follow.

We try to keep our authority base-lists as up-to-date as possible. If you are aware of an update to an authority base-list that we haven’t incorporated, then please let us know. In some cases, listers may wish to add a species that has newly occurred in a region but that doesn’t yet appear on the authority base-list. We consider such cases on their individual merit. Where we feel that it is overwhelmingly likely that a species will be added in due course, following the proper deliberations of a given authority, then we may add the species but flag it as "pending". We tend to do this only for newly occurring rarities, not potential taxonomic splits.

The different authorities used by BUBO Listing are shown below. Click on an authority to read more information about it and to view the full species list for that authority:


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