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).
1991
1992
1993
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2006
2017
2019
2022
1942
2013
2012
1985
2016
2021
2008