Canto Fêmea de Bigodinho is a free multimedia application for Android devices developed by FemeAves. The app offers various audio recordings of female birds to help train male birds to become diligent singers. The app provides different audio files of female birds, including chirping and calling voices. The app also emphasizes the importance of taking care of the birds to ensure their health and well-being. Canto Fêmea de Bigodinho is an excellent tool for bird enthusiasts who want to train their male birds to become diligent singers and maintain their chirping skills. The app is easy to use and provides high-quality audio recordings that can be played near the birds to encourage them to sing.