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,
Early modern Europe themselves as belonging to a national polity—a notable break from medieval modes of self-identification, which had been largely based upon religion (belonging to a universal Christendom), language, or feudal allegiance (belonging to the manor or extended household of a particular magnate or lord). The beginning of the early modern period is not clear-cut, but is generally accepted to be in the late 15th century or early 16th century. Significant dates in this transitional phase from medieval to early modern Europe can be noted: The end date of the early modern period is variously associated with the Industrial Revolution, which began