Which bird makes this sound?

Goldfinch
Goldfinch
Robin
Robin
Nightingale
Nightingale
Blue tit
Blue tit
Redstart
Redstart
Pied flycatcher
Pied flycatcher
Blue tit
Blue tit
Great tit
Great tit
Pied flycatcher
Pied flycatcher
Song thrush
Song thrush
Nightingale
Nightingale
Goldfinch
Goldfinch
Redstart
Redstart
Nightingale
Nightingale
Goldfinch
Goldfinch
Redstart
Redstart
Pied flycatcher
Pied flycatcher
Blue tit
Blue tit
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