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 discography second studio album, "Leviathan", in August 2004. In February 2006, Mastodon released two records — first, a compilation of their first two EP's, titled "Call of the Mastodon", and shortly after, the video album, "The Workhorse Chronicles". In the same year, Mastodon released their major label debut, "Blood Mountain" through Reprise Records, peaking at number 32 on the "Billboard" 200 chart. Mastodon then released "Crack the Skye" in 2009, "The Hunter" in 2011, and "Once More 'Round the Sun" in 2014, which entered the "Billboard" 200 at number 11, number 10, and number 6 respectively. Mastodon discography The discography of