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).
2019
2024
1968
2021
1988
1985
1993
2017
2012
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2010
2000
2023
1990
2003
1997
2020
2007