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
2022
1993
2005
1997
2011
2001
2025
2023
2020
2024
1955
2003
2021
1994
2013