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
2010
2007
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1993
2015
1992
1998
2021
1973
2012
2005
1967
1947
1989
1952
1987