In 2016, Dutch birdwatcher Arjan Dwarshuis traveled the world to spot as many birds as possible in the span of one year, with the goal to break the big year world record (6042 species, set by Noah Strycker in 2015).
2009
1946
2017
1973
1985
1997
2016
2019
2022
1932
2023
2000
2021
2006
2005
1996