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).
1995
2021
2023
1993
1999
1998
1983
1953
2017
2019
1958
2014
2010
1994
1992
2012
2022
2007
2001