(This article courtesy of SVBC Taxonomy Tsar, Jo Davidson)

Thanks to all of you who attended the recent San Vito Bird Club annual meeting. This post provides the basic information and links to some excellent resources that were included in the presentation on Taxonomy.


Plain Wren has been split into three separate species.

  • Isthmian Wren (Cantorchilus elutus).
  • Cabanis’s Wren (Cantorchilus modestus)
  • Canebrake Wren (Cantorchilus zeledoni)

Gray-necked Wood-Rail is now Gray-cowled Wood-Rail

Three-striped Warbler is now Costa Rican Warbler (Basileuterus melanotis).

Blue-crowned Motmot is now Lesson’s Motmot (Momotus lessoni).

Green Violetear. is now Lesser Violetear (Colibri cyanotus).

Only the scientific names of the following species have been changed.

  • Pink-footed Shearwater (Puffinus creatopus) is now Ardenna creators
  • Wedge-tailed Shearwater (Puffinus pacificus) is now Ardenna pacifica
  • Sooty Shearwater (Puffinus griseus) is now Ardenna grisea
  • Short-tailed Shearwater (Puffinus tenuirostris) is now Ardenna tenuirostris
  • Dusky Antbird (Cercomacra tyrannina) is now Cercomacroides tyrannina
  • Tawny-crowned Greenlet (Hylophilus ochraceiceps) is now Tunchiornis ochraceiceps
  • Lesser Greenlet (Hylophilus decurtatus) is now Pachysylvia decurtata
Official List of Birds of Costa Rica –
Online Excel file including Order, Family, Scientific name, English name and Spanish name(s). This will come in very handy if you post information or inquiries to the AOCR Facebook page (link below).
Asociación Ornitológica de Costa Rica (AOCR)
Dues are 10,000 colones per year, for which you receive their newsletter, access to monthly seminars, and discounts on products and tours.
Asociación Ornitológica de Costa Rica (AOCR) – Facebook
This is truly a worthwhile group to join. If you don’t currently “do” Facebook, you may want to set up a profile just to access this incredible resource. In addition to truly wonderful pictures and details about our Costa Rican birds, there is much information on events and conservation efforts throughout the country.
American Ornithological Society (AOS) –
This is the group responsible for the annual taxonomy changes, which are actually published in July, not March. You will find the yearly supplements under “Publications and Checklists.”
Atlantic article on Taxonomists
Lighthearted and informative!
Rebecca’s e-mail address –
For those who did not have a pencil ready.
If any of you have questions regarding taxonomy issues, please e-mail them to the following address: