The symbolism of the dead bird implies that Mr. Wright had an oppressive demeanor that killed the bird and his wife’s spirit.
Step-by-step explanation:
The bird symbolizes his partner being at bay - the bird lives in a very cage, unable to depart, a bit like Mrs. Wright is at bay in a exceeding wedding with an oppressive husband she cannot break loose. once the bird is killed, it symbolizes that Mrs. Wright's freedom is killed forever.