It's a very, very young dove or pigeon of some sort. In view of its apparently long tail and general colour it could be a young Collared Dove. Do you get those where you are? Or it might be a young domesticated pigeon of some sort.
See what others think.
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A bird does not sing because it has an answer. It sings because it has a song. (Chinese proverb)
I'm with Teejay on the collared dove.
when you feel down take a look outside...nature will uplift you