Which bird makes this sound?

Chaffinch
Chaffinch
Lesser whitethroat
Lesser whitethroat
Robin
Robin
Skylark
Skylark
Chaffinch
Chaffinch
Cuckoo
Cuckoo
Chiffchaff
Chiffchaff
Barn swallow
Barn swallow
Great tit
Great tit
Skylark
Skylark
Nightingale
Nightingale
Chaffinch
Chaffinch
Fieldfare
Fieldfare
Pied flycatcher
Pied flycatcher
Nuthatch
Nuthatch
Blue tit
Blue tit
Great tit
Great tit
Redstart
Redstart