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).
1958
2002
1969
2017
2015
2024
2013
2021
1999
2023
2019
1971
2018
2014
2008