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
1973
2013
2019
2001
2014
1948
2012
2023
2017
2007
2016
2024
2021