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).
2011
1932
2023
2021
2017
2015
2024
2010
1973
1988
2020
2022
1940
2013
1958