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).
1983
2013
2016
2015
2005
2009
1973
1974
1969
1987
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1999
2024
2012
2021
2022
2014