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).
2012
2007
2014
1970
1998
1968
2005
2009
2004
2024
1980
2001
2019