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
1985
1999
1949
2017
2018
2009
2013
2021
1989
2004
2016
1994
2008
2024
1968