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).
2011
2005
2006
2024
2012
2002
2010
1958
2004
2008
2019
1998
2020
2025
2023
1984
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2021
2022