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).
2021
1954
1966
1994
1981
1995
2023
2001
2022
2020
2011
1937
1991
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1979