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
2007
1974
2004
2002
1896
2013
1971
2011
2006
2014
1899
2022