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).
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1994
2024
2016
2011
1999
2002
2014
1987
1974
2005
2001
1979
1951
2006