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).
2023
1967
2000
2016
2022
1970
2017
2005
1972
2008
2003
1968
1988
2019