Rearranging the letters of 'People Eating Tasty Animals' (PETA is an acronym for this group) gives:
Sly salami tonnage appetite.
(by Jim Banholzer) (2018) (pending approval)
Other related anagrams without their own page:
"Mountain Man supper" -> "Marten, Puma Inn soup." (by Jim Banholzer) (2017) (pending approval)
"People for the ethical treatment of animals" -> "Poofter fanatics loathe leather implement." (by L. Lomasky using Anagram Genius) (2005)
"People for the ethical treatment of animals" -> "Political effort meant to see elephant harm." (by Josiah Winslow) (2015) (pending approval)
"People for the ethical treatment of animals" -> "Hotelier: "Meat off plate? Oh, sentimental crap!"" (by Mick Tully using Anagram Genius) (2007) (pending approval)
"People for the ethical treatment of animals" -> "Tell-off hamlet: No carthorse pet in a meat pie!" (by Mick Tully using Anagram Genius) (2007) (pending approval)
"People for the ethical treatment of animals" -> "The leather complaint: off to see Parliament." (by Mick Tully using Anagram Genius) (2007) (pending approval)
"Mountain man supper, at a table replete with food." -> "Puma, Marten, fowl, bread, soup, pie; eat the lot at Inn." (by Jim Banholzer) (2017) (pending approval)
"Eat like a horsey" -> "Hokey tease liar!" (by Jim Banholzer) (2018) (pending approval)
"Menagerie of wild animals" -> "Genie, wolf, snail, mare, maid." (by Jim Banholzer) (2018) (pending approval)
"Royal Society for the Prevention of Cruelty to Animals" -> "Occasion, everyone! I hurry to stop ill-treatment of a fly!" (by Mick Tully using Anagram Genius) (2006)