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).
2013
2022
2019
2009
2025
2011
2020
2021
1978
2016
2017
2014
2024
2015