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).
2009
2022
1930
2019
2018
2023
2020
2011
2021
2014
—
2017
1978
2012