“A report by World Animal Protection and World Parrot Trust titled “Illegal online trade in endangered parrots: A groundbreaking investigation” shows the horrific increase in the trade. The population of the African Grey Parrot has crashed by between 90 and 99 per cent between 1990 and 2010.”

https://www.theeastafrican.co.ke/scienceandhealth/How-illegal-trade-is-wiping-out-the-African-Grey-Parrot/3073694-4981704-10ooafnz/index.html