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).
2023
2010
2009
1965
2018
2007
2022
2017
2005
2008
1999
2021
2019
1936
1998
2012