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).
1974
2022
2020
—
2023
1931
2013
1940
2010
2024
2009
2019
1977
2018
2025