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).
2008
2005
2023
2000
2003
2019
1959
2015
2014
2002
1984
2021
2017
2016
2022
1932