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).
2006
2014
1999
2003
2020
2004
2024
2018
2019
2012
2008
1978
2017
1998
2022
1975
2023
2025
2016