Oceanic dolphin another indication of animal intelligence. Killer whales have the second largest brain mass of any animal on earth, next to the sperm whale. The brain to body mass ratio in some is second only to humans. Self-awareness is seen, by some, to be a sign of highly developed, abstract thinking. Self-awareness, though not well-defined scientifically, is believed to be the precursor to more advanced processes like meta-cognitive reasoning (thinking about thinking) that are typical of humans. Research in this field has suggested that cetaceans, among others, possess self-awareness. The most widely used test for self-awareness in animals is the mirror
Bahamut This account is also found in al-Tha'labi's "Qiṣaṣ al-anbīyāʾ", but in that version God forces the whale (Lutīyā) into submission by sending a creature that invaded through its nose and reached its brain; it also claims to be an anecdote on authority of Kaʿb al-Aḥbār (d. 650s A.D.), a convert considered the earliest informant of Jewish-Muslim tradition to Arab writers. Although this is an instances of an Islamic tale that ascribes the origins of earthquakes to the cosmic whale/fish supporting the earth, more familiar beliefs in medieval Islam associate the earthquake with the bull, or with Mount Qaf. Jorge Luis