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).
1974
1998
2022
2004
1994
1976
2016
2021
2011
1983
2007
2008
2017