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).
2010
2022
2015
1970
2018
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2024
2014
2020
2021
1962
1999
2016
2023