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).
2022
1993
1992
1994
2020
2009
2012
2023
1966
2018
1952
1971
2016