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).
2002
2020
1975
—
2018
1980
2025
2013
2024
1992
2007
2014
2022
1994