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).
2022
2015
2013
2018
1947
2011
2023
1973
2014
1952
2020
2000
1945
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2003
1962
1989