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).
2013
2020
1966
2005
2000
2015
2004
2018
2016
2011
1974
2021
2003
2022
1946
1970