Altruism in animals - In biology, altruism refers to behaviour by an individual that increases the fitness of another individual while decreasing the fitness of the actor.
Animal communication - Animal communication is the transfer of information from one or a group of animals to one or more other animals that affects the current or future behaviour of the receivers.
Anthrozoology - Anthrozoology is the subset of ethnobiology that deals with interactions between humans and other animals. It is an interdisciplinary field that overlaps with other disciplines including anthropology, ethnology, medicine, psychology, veterinary medicine and zoology.
Cognitive ethology - Cognitive ethology is a branch of ethology concerned with the influence of conscious awareness and intention on the behaviour of an animal. Donald Griffin, a zoology professor in the United States, set up the foundations for researches in the cognitive awareness of animals within their habitats.
Deception in animals - Deception in animals is the transmission of misinformation by one animal to another, of the same or different species, in a way that propagates beliefs that are not true. Deception in animals does not automatically imply a conscious act, but can occur at different levels of cognitive ability.
Emotion in animals - Emotions in animals are the subjective feelings and emotions experienced by non-human animals. Emotions may be described as subjective, conscious experiences characterized primarily by psychophysiological expressions, biological reactions, and mental states.