Male zebra finches, like the bird on the right in this photo, may need daily practice to keep up their singing ability Arco/G. Lacz/Imagebroker/Alamy
Songbirds may need to practise singing every day to maintain the quality of their performance.
Male zebra finches (Taeniopygia guttata) learn a unique song, usually from their father, in the first 90 days of their life. They then sing thousands of variations of that same song daily throughout their lifetime. Here is a typical example.
But here is what it sounds like after two …
