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).
2010
2023
1996
2003
1992
2007
2018
2022
1963
2001
2021
1952
1930
2017
2005
1994