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).
2015
1952
2019
2011
2022
2006
2017
2014
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2002
1993
1970
2005
2004
2024
2013
1961