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).
1963
2019
2021
2023
1994
2001
2008
2018
2020
2024
2005
1975
2022
2017