Suggested citation for the current version of the Clements Checklist, including the October 2023 Updates and Corrections:
Clements, J. F., P. C. Rasmussen, T. S. Schulenberg, M. J. Iliff, T. A. Fredericks, J. A. Gerbracht, D. Lepage, A. Spencer, S. M. Billerman, B. L. Sullivan, and C. L. Wood. 2023. The eBird/Clements checklist of Birds of the World: v2023. Downloaded from https://www.birds.cornell.edu/clementschecklist/download/
Three checklists are available. The first is the 2023 edition of the Clements Checklist (Clements Checklist v2023); the second is the 2023 edition of the eBird taxonomy (eBird v2023); and the third is the “master” or integrated checklist, which includes all entries in both the Clements Checklist and the eBird taxonomy.
eBird Taxonomy v2023 (1.3 MB Excel spreadsheet; 2.7 MB CSV File). Includes all categories that are reportable in eBird (including all taxa except subspecies from eBird/Clements Checklist) and is formatted with additional fields from eBird. Details of the eBird update will be posted soon on the eBird homepage.