There are more than 10,000 regional checklists in Avibase, offered in 9 different taxonomies, including synonyms in dozens of languages. Each checklist can be viewed with photos shared by the birding community, and also printed as PDF checklists for field use.
Boyd's Shearwater (Puffinus boydi), also known as the Cape Verde Little Shearwater, is a small shearwater which breeds in the Cape Verde archipelago of the Atlantic Ocean some 570 km off the coast of West Africa. The epithet commemorates British ornithologist Arnold Boyd. Source: Wikipedia