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
1954
2022
2016
1968
2013
2019
2017
1995
2023
1939
2001
2015
2004
2024