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).
2000
2023
1937
2013
1998
1993
1948
2020
2019
2002
1994
1966
1950
1983
1968
2006
1967