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).
2019
2017
2021
2009
2006
2024
2002
1997
2023
2020
2003
1999
1955
2010
1946
2008
2011