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).
2016
1993
1999
2005
2009
2021
2025
2014
2023
2020
2018
2017
2022
1989
2000