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).
1963
2023
1972
2019
2014
1980
1994
2000
1965
2017
2022
2002
1997
2016
1986