Canary (Serinus canaria forma domestica)

Birds use vocalizations in various behavioral contexts such as finding a mate and defending a territory. However, after the initial production, sound can be altered by ambient noise and initial physical properties of vocalizations can be lost. [more]

Song development in songbirds is dependent on sex hormones. It has been shown that testosterone treatment is affecting singing behavior by stereotyping the structure of song. [more]

Songs from songbirds are a motor skill learned during specific periods, reaching a 'crystallized' state during development for some songbird species, or seasonally -every spring- for other species. [more]