Why do birds sing?

To send other birds a message. Males do most of the singing. "This is my territory" seems to be the most common message. It may sound like a sweet song to us, but to other birds, it sounds like, "Keep out!"

Shuvuunuud yagaad duulj bui chimee gargadag ve?

Busad shuvuunuuddaa medee damjuulah gej duulj bui chimee gargadag. Ihevchlen er shuvuunuud duuldag baina. Ene bol minii uur, minii hariyanii gazar gesen engiin medeelliig duu chimeegeeree medruuldeg baina. Tednii gargaj bui ene chimee ni bidend ih sonsgolontoi saihan sonsogdoh bolovch busad shuvuunuuddaa ''Minii uurnees hold " gesen anhaaruulga baidag baih ni.