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
2023
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1972
2012
1993
1971
2022
1980
2005
2000
2002
1994
2020
1989