Despite variation in vocal learning phenotype, the neural circuitry necessary for producing learned song is conserved in songbirds, parrots, and hummingbirds.
song | Eurovision Song Contest | operating system | Super Nintendo Entertainment System | Nintendo Entertainment System | Android (operating system) | Song Dynasty | Global Positioning System | Centers for Disease Control and Prevention | Transmission Control Protocol | Solar System | X Window System | My Way (song) | Korean Broadcasting System | Eurovision Song Contest 2008 | Centers for Disease Control | Eurovision Song Contest 2013 | Academy Award for Best Original Song | System of a Down | Eurovision Song Contest 2009 | Domain Name System | Eurovision Song Contest 2006 | Song | Seoul Broadcasting System | North Carolina Community College System | Mutual Broadcasting System | Bulletin board system | system | Eurovision Song Contest 2011 | A Nightingale Sang in Berkeley Square (song) |