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).
2007
2023
2017
2022
2021
2001
2014
1973
2019
1953
2011
1976
2004
2008
2003
—
1988