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).
2000
2009
2010
2003
1973
2011
2022
2014
1960
1964
2017
2015
1974
1981
2007