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).
1999
1930
2024
2020
2014
2004
1991
1963
2010
2003
2023
1985
1988
2013
2022
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2016