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,
Revenge of the Creature Revenge of the Creature Revenge of the Creature ( Return of the Creature and Return of the Creature from the Black Lagoon) is the first of two Universal-International sequels to "Creature from the Black Lagoon". It was the only 3D film released in 1955 and the only 3D sequel to a 3D film released during "the golden age of 3D". Produced by William Alland, directed by Jack Arnold, the film stars John Agar and Lori Nelson. It marked Clint Eastwood's film debut. "Revenge of the Creature" premiered in Denver on March 23, 1955 and a "flat", non-3D sequel, "The Creature