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).
2012
2015
1931
2018
1987
2011
2022
2021
2019
2013
2025
1971
2004