the great tit, "parus major", is a passerine bird belonging to the family paridae. passerines are commonly referred to as songbirds, with most passerines singing multiple species-specific songs making a repertoire. birds can be ranked depending on how they perform the songs in their repertoire. on one side, there are birds that sing with eventual variety and have small repertoires, meaning that each song type in their repertoire is repeated before they switch to a different song type.