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).
2020
1998
1992
2019
1934
1966
2024
2023
1997
2009
2014
2021
1999
1947
2006
2003
2008
2018