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).
2013
1997
2023
2022
2021
2018
1974
1977
2019
1998
2006
2017
2003