There are animals in the matrix. Does this mean that real animals are hooked up to the machine and give it energy and exist in the matrix? Or every time there is an animal seen in the matrix, it's just a program?
I don't think this question is a duplicate of "why there is no animals in the matrix?". Why are there only programmed animals in the Matrix? Why wouldn't they use animals as a source of energy as they use humans?
Wachowski Bros: Sadly, they are all computer generated images. This was backed up by Phil Osterhoose (Assistant to the Wachowskis) in The Art of the Matrix
A lot of people have asked if the animals in the Matrix are also hooked up in pods. Unfortunately, they are not. They're all computer-generated images." Phil Osterhoose (Assistant to the Wachowski Brothers) - The Art of the Matrix
– Wad Cheber Jan 26 '16 at 12:36