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).
2020
2019
2000
1997
2012
2016
2022
2015
2014
2008
1984
2023
2018
1971
2005
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1955