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).
2016
2014
2006
2020
2022
2023
1963
2013
2025
1971
1998
2005
1900
2019
2018