What say the birds

Birds whistle, chatter, cackle, scream or howl. But what do they say? Words of love. And these words seduce both females and juries of singing competitions. The canaricultor Gabriel de la Paz explains what notes produce Harz Roller canaries and how birds are selected for competitions. The songs are tailored to the physical characteristics of the environment where the birds live. The specialist of natural sounds Eloisa Matheu records different songs and explains its origin and its shape, and the British biologist Robert Lachlan explains the relationship between the songs and reproductive capacity. Although humans do not sing like birds, we can communicate with them. Traditionally we have done it to hunt, now we captured birds for study or to breed them in captivity. The reporter Pere Renom captures quails with the specialist Francesc Sardà to study their migration, and feeds chicks of falcons with Alfonso Arisó. And the presenter Jaume Vilalta and baritone Ramon Gener compare songbirds with opera singers.