Setting:
Relatively modern parallel world. The location is in a house in the middle of a forest.
Conflict:
Person vs. person
Climax:
The girl runs away from him, and the boy stops living with his dead family.
Symbol:
Stanley - childishness
Mother and father - Stanley's weakness and will of love
Girl - freedom, attraction
Bird - life
House - Stanley's narrow world, limit
Irony:
Stanley thought the girl will be happy if the bird moves again, but he scared her instead.
Theme:
Death is unavoidable. Overcoming conflicts will make you grow and will take you to a wider world.