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).
1999
2014
2017
2021
2020
1931
2013
1965
2006
1992
1960
2024
2009
1934
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2018