Mastodon group consisted of adult females and young, living in bonded groups called mixed herds. The males abandoned the mixed herds once reaching sexual maturity and lived either alone or in male bond groupings. As in modern elephants, there probably was no seasonal synchrony of mating activity, with both males and females seeking out each other for mating when sexually active. Mastodons have been characterized as predominantly browsing animals. Most accounts of gut contents have identified coniferous twigs as the dominant element in their diet. Other accounts (Burning tree mastodon) have reported no coniferous content and suggest selective feeding on low,
Mastodon (band) of the more notable New Wave of American Heavy Metal acts, a genre spawned in the mid-'90s" and says that "Mastodon's innovative, lyrically astute blend of progressive metal, grindcore, and hardcore helped position the band as one of the preeminent metal acts of the early 21st century." Bassist Troy Sanders stated about their musical style: Scott Kelly of Neurosis has appeared to perform guest vocals on a track on every Mastodon album excluding "Remission". Mastodon's musical style has evolved much from their earliest pre-"Remission" releases to "The Hunter". Their early work is significantly heavier and more abrasive than their later