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).
1966
2013
2016
2007
1948
2020
2012
2024
2022
2018
2023
1974
2017