How a Duck Learned to Say ‘You Bloody Fool’

Voice analysis of a 34-year-old recording proves that Ripper the musk duck “independently evolved” to mimic his human caretakers.

How a Duck Learned to Say ‘You Bloody Fool’
Voice analysis of a 34-year-old recording proves that Ripper the musk duck “independently evolved” to mimic his human caretakers.