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).
2014
2020
2000
1999
1996
2003
1991
1992
1984
2023
1971
2005
2024
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1985
2021
1972