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).
1953
2003
2001
2019
2007
2012
2016
2006
1999
2021
1988
2013
1949
1985
2009
2014