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 (album) Mastodon (album) Mastodon is the only box set released by the American heavy metal band of the same name. It features all of their material released by Relapse Records plus "Blood Mountain" which was originally released on Reprise Records. The box set was limited to 1100 copies and all records were pressed on 180 gram vinyl. The box set was released by Relapse records with no input from the band. The box set contains the following audio: <nowiki>*</nowiki> Unreleased before this box set.<br> <nowiki>**</nowiki>"Leviathan" also includes the band's cover versions of Thin Lizzy's "Emerald", Melvins "The Bit" and Metallica's "Orion".