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).
2011
2019
2015
2017
1958
2024
1973
2013
2020
1962
1989
1988
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1984
1994