They arrived with such short notice and major fanfare as to frighten away the Ionian-Athenian forces. The Cambridge Ancient History article attributes this swift arrival to the Persian cavalry, which also had no trouble tracking and catching the Ionians before the gates of Ephesus. The losses of the East Greeks were so great that they slunk away, so to speak, leaving Aristagoras and the rebels to fend for themselves. An air of doom pervaded the revolt, but they fought with such spirit that the rebellion spilled over into the islands