Wikipedia, “Shambala Preserve” — source for founding (1972/1983 conflicting dates); Acton California location; 65-70 current animals including African and Siberian tigers, lions, leopards, etc.; Michael Jackson’s tigers Sabu and Thriller; Timbo the elephant (died 2005 at 48); Kura (died 2000 at 41); American Sanctuary Association accreditation; Hedren as president; Dakota Johnson and Melanie Griffith on advisory board; Natural Balance Pet Foods partnership.
Far Out Magazine, “Roar: The 1980s movie that saw 70 people injured by lions” — source for specific injury details: Marshall bitten 11 times, gangrene, blood poisoning; Hedren bitten by Cherries with head wound; Hedren’s ankle fractured by elephant Tempo; Griffith 50 sutures; de Bont scalped needing 220 sutures; John Marshall quote about leaving the film.
Biography.com, “Tippi Hedren” — source for confirmation of basic biographical details; Hitchcock’s commercial discovery; The Birds Golden Globe; Marnie; marriage to Noel Marshall 1964; later TV work including The Bold and the Beautiful; Roar 1981; Shambala sanctuary in early 1970s; Hollywood Walk of Fame star 2003; memoir 2016.
Jezebel.com, “It Was the Seventies! Tippi Hedren Once Kept Lions as Pets” — source for Hedren’s 2014 Daily Mail interview quote: “I have to tell you we were stupid beyond belief. We should never have taken those risks”; additional quotes: “These animals are so fast, and if they decide to go after you, nothing but a bullet to the brain will stop them”; “We’re dealing with animals who are psychopaths”; Griffith’s mauling and need for reconstructive surgery.
NoFilmSchool.com, “The Most Dangerous Movie Ever Made: No Animals Were Harmed, But 70 Cast & Crew Members Were” — source for de Bont’s 220 stitches; Hedren’s elephant injury and lion neck bite 38 stitches; Griffith’s 50 stitches and threatened eye; Marshall’s gangrene; 2015 Alamo Drafthouse re-release.