Ducks, geese, and swans.
- Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2014. The eBird/Clements checklist of birds of the world: Version 6.9., with updates to August 2014. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
- BirdForum Opus contributors. (2021) Anatidae. In: BirdForum, the forum for wild birds and birding. Retrieved 16 October 2021 from https://www.birdforum.net/opus/Anatidae
This category has the following 55 subcategories, out of 55 total.