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Barney picks up a dead pigeon or dove from a Washington, D.C. street.
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Barney brings the bird into his home. Pigeons and doves constitute the bird family Columbidae within the order Columbiformes, which include some 300 species of near passerines. The Holy Spirit is sometimes represented in art by a dove. This dead bird is a 'metaphor' for Barney (who represents the Holy Spirit) having become corrupt; for recall that he sells illegally obtained items that belonged to Hannibal Lecter.
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