HEllo do birds sing at night?

Answers:
Some wild birds do,yes. Some birds in Britain regularly sing in the night. The Nightingale is the bird that many people would associate with nighttime singing but Corncrakes and Night-Jars do as well.These birds are summer visitors to Britain.
Pet birds should not be singing at night.A pet bird should be placed away from windows where headlights from cars may disturb them. Closing curtains at night,turning all lights out, and placing a cover over the cage should ensure your bird a peaceful night.

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They shouldn't. Throw a cover on their cage.

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Northern mockingbirds do.

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I don't think I ever heard a song bird sing at night in the wild.
Some will cut loose at the first crack of dawn. Night birds
call to each other. The whippoorwill being one and the owls
being another. I would think a caged song bird wouldn't sing
if he doesn't think its day time.
Hope that helps.