“Hey," said Shadow. "Huginn or Muninn, or whoever you are." The bird turned, head tipped, suspiciously, on one side, and it stared at him with bright eyes. "Say 'Nevermore,'" said Shadow. "Fuck you," said the raven.” - American Gods - Neal Gaiman

en.wikipedia.org/wiki/Huginn_and_Muninn

In Norse mythology, Huginn (from Old Norse "thought") and Muninn (Old Norse "memory" or "mind") are a pair of ravens that fly all over the world, Midgard, and bring information to the god Odin...

 

O'er Mithgarth Hugin and Munin both

Each day set forth to fly;

For Hugin I fear lest he come not home,

But for Munin my care is more

Done