Mastodons lived in herds and were predominantly forest-dwelling animals that fed on a mixed diet obtained by browsing and grazing with a seasonal preference for browsing, similar to living elephants.
Os mastodontes vivían en mandas e eran predominantemente animais que vivían nos bosques, que se alimentaban dunha dieta mixta obtida de follas e pasto, cunha preferencia estacional polas follas, de xeito semellante ós elefantes vivos.