Pedro Trebbau, German-born Venezuelan zoologist (died 2021)

Pedro Trebbau was a German-born Venezuelan zoologist. His career was characterized by the promotion and preservation of Venezuelan wildlife and nature. His research and collaboration with the herpetologist Peter Pritchard produced the still-extant reference book on The Turtles of Venezuela, the 2018 re-edition of which, alongside the biography done on him entitled Trebbau: Maestro por naturaleza by Albor Rodríguez, sparked the series Colección La Fauna, which aimed to collect Trebbau's work on the fauna of Venezuela.

May 20 is the 140th day of the year in the Gregorian calendar; 225 days remain until the end of the year.