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).
1977
2022
2003
2009
2008
1965
1983
2014
1996
2013
1971
1998
2011
2024
2023