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).
2003
2005
2019
2015
1962
2020
2018
2021
2017
2016
1941
2024
2002