Prompt the Muse #40 - Speculative Writing Prompt

Photo:  Crow at Night

Every culture has one or more animals whose passing are considered bad omens or bad luck.  Choose any animal and create a myth that explains why this creature is so feared, and what happens if a person encounters one.  Write your explanation in 150 words.

Image Credit:   Full Moon Night by Luz Adriana Villa on flikr via Creative Commons CC 2.0