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
2022
2016
1971
2004
2023
2008
1998
2017
1985
2019
2021
1999
2012
1986
1991
2009