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).
1957
2016
2013
1970
2015
1978
2020
2004
1995
2025
1974
2019
1966
1971
2014