from www.scientificamerican.com5 months ago"Our research provides an... explanation: maybe they just need to exercise."www.scientificamerican.comhttps://www.scientificamerican.com/article/male-songbirds-need-daily-vocal-practice-to-woo-females/ Read at www.scientificamerican.com #songbirds #vocal-workout #vocal-abilities #exercise #bird-behavior[add][|| ... ]