text: According to Pliny the Elder, the poet Aristeas had a soul which came out of his mouth in the shape of one of these animals.
full_question: According to Pliny the Elder, the poet Aristeas had a soul which came out of his mouth in the shape of one of these animals. The name of the mythical Welsh king Bran the Blessed, translated into English, refers to this animal. A stranger who is imprisoned next to two bonfires reveals his identity by talking about two of these animals flying over the earth. Those two examples of these animals are described as eating corpses and drinking blood in a twelfth-century poem, and they are often seen whispering secrets to Odin. For 10 points, name these black-feathered birds, one of whom sat upon a "pallid bust of Pallas" in a poem by Edgar Allen Poe.
first_sentence: According to Pliny the Elder, the poet Aristeas had a soul which came out of his mouth in the shape of one of these animals.