Cat intelligence the average human. Within the encephalization quotient proposed by Jerison in 1973, values above 1 are classified big brained, while values lower than 1 are small brained. The domestic cat is attributed a value of between 1–1.71 relative to human value that is 7.44–7.8. The largest brains in the Felidae family are those of the tigers in Java and Bali, of which the largest relative brain size within the "panthera" is the "tigris". It is debated whether there exists a causal relationship between brain size and intelligence in vertebrates. Correlations have been shown between these factors in a number of
Maru (cat) personality, his amusing antics, and an inventive intelligence and intuition. In August 2013, Maru's owner adopted a two-month-old mixed-breed cat named Hana from a veterinarian. During the two-week trial period, Maru and Hana got along very well and Mugumogu decided to make Hana a new member of their family. "Entertainment Weekly" mentioned Maru alongside Keyboard Cat and Nora in its "Notable Kitty Videos" article. "The New York Times" mentioned Maru in an article about cats and dogs in the media and included pictures of the cat. Maru's videos have been featured on the Fresh Step's commercial on the Fresh Step