A duo of ornithologists from the United States and Brazil has recorded the loudest bird song (up to 125.4 db) ever documented, made by males of the white bellbird (Procnias albus); the bellbird songs have a sound pressure about 3 times that of the screaming piha (Lipaugus vociferans), an Amazon bird species now demoted to the second loudest bird singer documented. A male white bellbird (Procnias albus). Image credit: Anselmo d’Affonseca, Instituto...
