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Arjan Dwarshuis

Arjan Dwarshuis

In 2016 Arjan Dwarshuis set a new world record. Over the course of 366 days he observed 6852 bird species in 40 different countries. To put things in perspective; there are currently about 10700 officially recognized species which means that he observed almost two thirds of all the bird species in the world in just a single year.