Isaiah 2:2-4 depicts the Lord's mountain exalted above all, with nations streaming to it — mirroring the mustard tree that becomes shelter for birds.

Ezekiel 17:23 depicts a cedar where birds nest — the same OT image Jesus uses for the kingdom's growth.

Ezekiel 17:24 contrasts the low tree exalted and high tree brought low — matching the mustard seed's small-to-great pattern.

Ezekiel 31:6 describes Assyria as a great tree with birds nesting — similar imagery but for a proud nation.

Daniel 4:12 shows Nebuchadnezzar's tree kingdom with birds and beasts — same image of a great tree providing shelter.

Micah 4:1-3 parallels Isaiah 2: the Lord's mountain raised up and nations flocking to it — echoes the mustard tree's shelter for birds.

Zechariah 4:10 urges not to despise 'the day of small things' — directly analogous to the mustard seed's small beginning leading to greatness.

Zechariah 8:20-23 describes many nations seeking the Lord in Jerusalem — similar to birds nesting in the mustard tree, representing Gentile inclusion.

Psalm 104:17 directly pictures birds nesting in branches — the same image Jesus uses for the kingdom's shelter.

Luke 13:19 is the parallel mustard seed parable, nearly identical wording about the kingdom.

Job 8:7 promises that a small beginning leads to a great end, mirroring the mustard seed's growth.