Question

4. Which bird sings?​

Answer 1

Answer:

Nightingale is the bird acclaimed to produce the sweetest sound, when we talk of singing bird species. The sounds and melodies produced by a nightingale are wide in variety, ranging from whistles, gurgles and trills

Explanation:

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Answer 2

Answer: songbird, also called passerine, any member of the suborder Passeri , of the order Passeriformes, including about 4,000 species—nearly half the world's birds—in 35 to 55 families. Most cage birds belong to this group.