Certain birds are, more often than not, considered bad luck, or even a sign of impending death. For example, all over the world, both crows and revens were thought to accompany the gods of war, or be sings of the gods' approaching arrival. Did idea later changed. Crows in particular were thought to be harbingers of ill fortune or,in some cases,goides to the afterlife.Woe be it to the person who saw a single criw or raven flying overhead,for this was most certainly a portent of death in the near future