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).
2022
2021
2015
1950
2003
2023
2000
2019
2020
2025
2024
2010
1948
1991
1956