Daniel 7:5 (BSB)

Suddenly another beast appeared, which looked like a bear. It was raised up on one of its sides, and it had three ribs in its mouth between its teeth. So it was told, ‘Get up and gorge yourself on flesh!’

From Daniel 7. Also in the ESV.

Commentary on Daniel 7:5

• John Calvin (Reformed), Calvin's Commentaries on Daniel 7:5: Here the Prophet. proclaims how he was instructed by a dream concerning the second beast. If we will only judge by the event, this beast doubtless represented the kingdom of the Medes and Persians, although the Prophet specifies the Persians, as the Medes had long ago submitted to their yoke. Behold, says he, another beast like a bear.
• Matthew Henry (Presbyterian), Matthew Henry's Complete Commentary on Daniel 7:1-8: The date of this chapter places it before ch. 5, which was in the last year of Belshazzar, and ch. 6, which was in the first of Darius; for Daniel had those visions in the first year of Belshazzar, when the captivity of the Jews in Babylon was drawing near a period.
• John Gill (Reformed Baptist), Exposition of the Old and New Testaments on Daniel 7:5: And, behold, another beast, a second, like to a bear,.... Another monarchy, and which succeeded the former, and rose up upon the ruins of it, the Medo-Persian monarchy; and so the Syriac version prefixes to this verse, by way of explanation, "the kingdom of the Medes'' like to a bear, less generous and strong than the lion; more rough and uncivil, but equally cruel and...
• Jamieson-Fausset-Brown (Reformed), Commentary Critical and Explanatory on the Whole Bible on Daniel 7:5: bear--symbolizing the austere life of the Persians in their mountains, also their cruelty (Isa 13:17-18; Cambyses, Ochus, and other of the Persian princes were notoriously cruel; the Persian laws involved, for one man's offense, the whole kindred and neighborhood in destruction, Dan 6:24) and rapacity. "A bear is an all-devouring animal" [ARISTOTLE, 8.5], (Jer 51:48, Jer 51:56). raised . . .