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).
2025
2023
1952
2012
1936
2021
2014
2020
1985
2013
2017
2005
2019
2006
2009
2018
2022
2015