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).
2006
2021
2017
1985
2024
1951
2007
—
2008
1983
2019
2020
1927
1991
2022
1963
1999
2018