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).
2025
2020
2017
1974
2014
1993
2024
1973
2018
2022
1983
2016
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2009