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) I think it's incredible." Following their first tours in the early 2000s, Mastodon have performed at many major festivals such as Download, Roskilde, Coachella, Bonnaroo, Big Day Out, Rock Werchter, Pinkpop, Metaltown, Ottawa Bluesfest, Sonisphere and Soundwave. When performing the band has traditionally had a fairly lo-fi visual presentation. However, during the band's "Crack The Skye Tour" (2009–2010), they used a large screen behind the drumkit showing a visual show. The "sludge/stoner/alternative metal outfit" Mastodon, as labelled by Allmusic, is "one of the preeminent metal acts of the early 21st century". The BBC stated about Mastodon: "They might be bonkers