This is a list of all of the bird species in the world based on the following:
Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2017. The eBird/Clements checklist of birds of the world: v2017. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
Each common and scientific name is a link to a Google image search.