GinaA young male Bewick’s Wren (Thryomanes bewickii) learns to sing from neighboring adult males while coming of age in his parents’ territory. His song develops with subtle differences—a note changed here, a syllable there. The melodious signature he acquires between 30 and 60 days will be his for life.
https://www.allaboutbirds.org/guide/Bewicks_Wren
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Bewick's Wren Overview, All About Birds, Cornell Lab of Ornithology
If you come across a noisy, hyperactive little bird with bold white eyebrows, flicking its long tail as it hops from branch to branch, you may have spotted a Bewick’s Wren. These master vocalists belt out a string of short whistles, warbles, burrs, and trills to attract mates and defend their territory, or scold visitors with raspy calls. Bewick’s Wrens are still fairly common in much of western North America, but they have virtually disappeared from the East.