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
2012
2019
2020
1931
1987
2015
1988
2023
—
2013
2007
2017