Birdsong course test answers

Song no.1 belongs to a blackbird, with its deep melancholy whistle. 

Song no.2 was that of a chiffchaff, known for its repetitive "chiff chaff, chiff chaff, chiff chaff" call.

Song no.3 was that of a robin, recognised by its very high-pitched, rippling melodic whistle which is often broken up by short pauses.

Song no.4 belongs to a blue tit, whose call tends to have 1-3 short sharper notes followed by more of a faster ending with "Lilly lilly lilly".