What Is A Night Angel Bird?

What Is A Night Angel Bird? The name refers in particular to the Eurasian nightingale (Erithacus, or Luscinia, megarhynchos), a brown bird, 16 centimetres (61/2 inches) long, with a rufous tail. Its strong and varied song, in which crescendo effects are prominent, is uttered by day or night from perches in shrubbery. What is so