The motivation for Deckard in the novel is to buy a real animal, playing on his want and needs, which is also a sign of empathy. Having this motive shows the selfish side of people and questions whether or not someone actually needs an animal to be happy. The idea is put across that killing for an animal (even if it is just killing an android) to be alright. Throughout the novel we watch Deckard’s development. Having only a glimpse of this development in the film adaption shown, the viewer won’t really understand that Deckard goes through a change. Ridley Scott has used a different way to put across the empathy by using a different character that was only a small part in the novel. Batty has been given the motive to find a way to live longer and be able to become more human. Batty became the super human figure with more intelligence and strength. However Dick wrote that androids died way before they could even begin to comprehend emotions, making sure they were as robotic as possible.
Electric animals were just a little way from the bottom of the social ladder and having a real one puts you higher. Being able to take care of an animal shows the empathy that a human is able to have and not an android. The film adaption doesn’t revolve empathy around the animals like the novel does. A glimpse is seen through the wolf howls that Baty cries at the point when he feels so much pain and loss, again showing empathy through a replicant. Dick had that androids shut down at the moment they feel threatened towards their lives. Scott turns that around in the film