Original journal: https://www.cell.com/current-biology/fulltext/S0960-9822(20)30771-5 https://www.cell.com/current-biology/fulltext/S0960-9822(20)... Watch the

Original journal: https://www.cell.com/current-biology/fulltext/S0960-9822(20)30771-5 https://www.cell.com/current-biology/fulltext/S0960-9822(20)... Watch the video at the bottom. It says: > A hypothesis suggests that, female birds may habituate to the common songs over time, and that drives the male bird to adopt novel songs to maintain female's interest.