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
2007
2002
2006
1986
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1990
1999
2024
2004
2001
1975
1980
1972
2022
2017
1998