One of the smallest gibbons has the most spectacular song. Kloss's #Gibbon male and females perform solos for each other 🐒🎶🎵 Sadly #endangered on #Mentawai #Indonesia 🇮🇩 due to #palmoil. Help them to survive! #BoycottPalmOil 🌴🤮⛔️ #Boycott4Wildlife palmoildetectives.com/2021/02/…