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).
2006
2013
2005
1988
1955
2021
2016
2000
2022
2011
1983
1931
1963
2018
1959
2014