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
1999
2023
2022
2021
2019
1972
2009
2011
2002
1975
2017
2014
2016
2024