The book The Private Life of Birds, by Michael Bright, notes that birdsongs have a stimulating physical effect on listeners, saying that after exposure to birdsongs, “the heart rates of both males and females went up. ”
उदाहरणार्थ, पक्षीगान ऐकल्याने “नर - मादी दोघांच्या हृदयाचे ठोके वाढू लागतात. ”