The terrorhawk (originally MadFalcon) is a recurring monster in the Dragon Quest series. Introduced in Dragon Quest VII, it is a brown, typically weaker variant of the prism peacock.
A terrorhawk is a brownish-bodied bird with a human-like build, not nearly as vibrant but all the same similar to the prism peacock.
They are typically strong monsters, not appearing until later on in the games they're featured in. One of their more bothersome qualities is knowledge of Fuddle spells, making them very dangerous if they are able to confuse party members into attacking each other.