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).
2022
2025
2026
2023
1980
—
1965
1992
2011
1972
2014
1994
2015
2021