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).
2019
2021
1988
2010
2003
2023
1953
1999
2012
2020
2009
1972
2007
1983
1991
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1996