What does a bird symbolize?

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Sunrise, captured at its predictable time — it was 5:19 — with the sudden appearance of a bird. Seeing it only now, as I process this morning's photographs, I wonder what does a bird symbolize?

The internet answers most simplistically: Freedom!

Which cues "Ballad in Plain D"...
Ah, my friends from the prison, they ask unto me
“How good, how good does it feel to be free?”
And I answer them most mysteriously
“Are birds free from the chains of the skyway?
ADDED: I have made a study of the birds of the Bible, and I have produced a list of 8 quotations, which I've ranked in the order that seemed right to me:
8. Matthew 8:20 — "Jesus replied, 'Foxes have dens and birds have nests, but the Son of Man has no place to lay his head.'"

7. Ezekiel 38:20 — "The fish in the sea, the birds in the sky, the beasts of the field, every creature that moves along the ground, and all the people on the face of the earth will tremble at my presence. The mountains will be overturned, the cliffs will crumble and every wall will fall to the ground."

6. Psalm 50:11 — "I know every bird in the mountains, and the insects in the fields are mine."

5. Ecclesiastes 9:12 — "Moreover, no one knows when their hour will come: As fish are caught in a cruel net, or birds are taken in a snare, so people are trapped by evil times that fall unexpectedly upon them."

4. Job 12:7-8 — "But ask the animals, and they will teach you, or the birds in the sky, and they will tell you; or speak to the earth, and it will teach you, or let the fish in the sea inform you."

3. Psalm 102:7  — "I am like a desert owl, like an owl among the ruins. I lie awake; I have become like a bird alone on a roof. All day long my enemies taunt me; those who rail against me use my name as a curse."

2. Matthew 6:26 — "Look at the birds of the air; they do not sow or reap or store away in barns, and yet your heavenly Father feeds them. Are you not much more valuable than they?"

1. Job 41:1-5 —"Can you pull in Leviathan with a fishhook or tie down its tongue with a rope? Can you put a cord through its nose or pierce its jaw with a hook? Will it keep begging you for mercy? Will it speak to you with gentle words? Will it make an agreement with you for you to take it as your slave for life? Can you make a pet of it like a bird or put it on a leash for the young women in your house?"