Hosea 7:11 says Ephraim has become like a silly, senseless what?

Answer: Dove

Ephraim was like a senseless dove, calling out to Egypt and then turning to Assyria instead of returning to the LORD.

“So Ephraim has become like a silly, senseless dove—calling out to Egypt, then turning to Assyria.”— Hosea 7:11 (BSB)