They cut the head off, the collar falls off, and then they eat the agouti.
agouti wild type coloration and piebald spotting are common.
British Dictionary definitions for agouti
noun (pl) -tis, -ties
any hystricomorph rodent of the genus Dasyprocta, of Central and South America and the Caribbean: family Dasyproctidae. Agoutis are agile and long-legged, with hooflike claws, and are valued for their meat
a pattern of fur in certain rodents, characterized by irregular stripes