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).
2017
2016
2018
1983
1984
2014
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2023
1997
2007
2006
1933
2002
2024