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).
2014
2023
2024
2015
2003
2001
2005
2009
2002
1961
1980
2011
2006
2018