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
1951
2010
2024
2021
2014
1944
1945
2004
1968
1952
2009
1939
2022
2017