A Siren isn't really a sea monster but sailors have told tales of these beautiful women that sing to you and seduce you into their trap of bloodlust. They are said to eat the sailors alive or drowned them deep in the ocean.
Did you know, the only real difference between crows and ravens is that crows have five pinion feathers, and that ravens only have four. So the difference between a crow and a raven? Well, that’s a matter of… a pinion.
In Norse Mythology, Huginn ("thought”) n Muninn (“memory” or “mind”) are a pair of ravens that are the shamanic helping spirits of Wodan. In Chapter 7 of the Heimskringla book Ynglinga saga, which provides