List of birdwatchers  This is a list of birdwatchers who have either 1) seen a very large number of species or 2) who are notable in their own right but also happen to be birdwatchers. First are listed birdwatchers With the largest "lifelists", which is based on the number of species of birds each of them has/had seen. Depending on the taxonomic viewpoint, there are 10,585 (Clements V2018) or 10,928 (IOC ver. 10.1) living bird species recognised. As of 15 January 2020, there are 13 birdwatchers who have added 9,000 species of bird or more to their life list. There are a total of 35 additional birdwatchers with a life list of over 8,000 species. Last full update November, 2018