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).
2014
1992
2011
1985
2009
2022
2017
1944
1946
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2023
2024
2013
1934