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
2005
2014
2018
2024
2022
2011
2012
2023
1965
2015
1931
2007
2013
2010
2021