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).
2019
1910
2020
2018
2015
2024
1942
2009
1999
2017
1991
1997
2022
2016
2023
2021