I notice you are raising existentialist issues on these threads, Those issues investigate the status of "self", "reality" and " whether life has meaning".
The general problem in discussing those issues is that ordinary language tends to be ill equipped and can straight jacket thinking. For example, it is not clear in this case what you mean by " consciousness" the usage of which could involve thought, personality, cosmic holism, difference between species etc. The solution attempted by Heidegger and other existentialists has been to construct neologisms (new language) to describe what they see as the fundamental aspects of existence.
Consciousness is awareness of whatever is being perceived, whether it be sensory information, emotional feelings, thoughts, memories, etc.
Different people may experience/perceive the same thing differently, e.g. one delights at a certain flavor while another reviles; but they are both conscious of the perceptions they are experiencing within their particular body, life history, etc.
A dog may have no thoughts at all, or very confused and/or simple thoughts; but it may perceive the flavor of food as very delicious, feel loving, fearful, and/or angry emotions toward people and other animals, etc.
The dog is conscious of its experiences and perceptions just as we are, though the superficialities of how specific details of experience are perceived may differ between species and between individuals of the same species in various ways.