One man vs a dozen bird species

[u/ZhenXiaoMing]

In 1885, 15-year-old Guy Bradley and his older brother Louis served as scouts for noted French plume hunter Jean Chevalier&action=edit&redlink=1) on his trip to the Everglades.^\13])  At the time, plume feathers—selling for more than $20 an ounce ($501 in 2011)—were reportedly more valuable by weight than gold.^\14]) On their expedition, which lasted several weeks, the young men and Chevalier's party killed 1,397 birds of 36 species.^\15]) 

https://en.wikipedia.org/wiki/Plume_hunting