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).
1969
2008
2017
2013
2021
2015
2011
2005
1951
2024
2010
2019
2023
2018
2020
1945
1946