i. Various animals such as Chimpanzees, Bottlenose dolphins, Gorillas, Orcas and even elephants have been observed to show variable levels of self-consciousness.

ii. Self-consciousness is the ability to introspect and identify self from the others. It is checked through various techniques and one such is mirror test in which many animals including Dolphins passed.

iii. They exhibit intimacy and chemistry with their partners and communicate with through various body gestures including certain specific sounds and movements.