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).
2004
1978
2012
2016
1991
2019
1973
2024
1993
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2008
2017
2015
2020
1927