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).
1988
2025
2014
2013
2022
2012
2024
2005
1952
2018
1993
1995
2023
2021
2017