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).
1992
2006
2021
2014
2025
2005
2022
2019
1971
1999
2004
2010
2016
2003
1991