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).
2023
1971
2001
1986
1987
2002
2010
2025
1949
2016
1996
2024
2006
2020
2013