National Geographic (formerly National Geographic Channel and also commercially abbreviated and trademarked as Nat Geo) is an American digital cable and satellite television network that is owned by National Geographic Partners, majority-owned by 21st Century Fox with the remainder owned by the National Geographic Society. The flagship channel airs non-fiction television programs produced by National Geographic and other production companies. Like History and Discovery Channel, the channel features documentaries with factual content involving nature, science, culture, and history, plus some reality and pseudo-scientific entertainment programming. Its primary sister network worldwide, including the United States, is Nat Geo Wild, which focuses on animal-related programming, including the popular Dog Whisperer with Cesar Millan. As of February 2015, National Geographic Channel is available to approximately 86,144,000 pay television households (74% of households with television) in the United States.