Edmontosaurus (5e Creature)
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Large beast (hadrosaur), unaligned
Stomp. Melee Weapon Attack: +5 to hit, reach 5 ft., one prone creature. Hit: 16 (2d10 + 5) bludgeoning damage.
Tail. Melee Weapon Attack: +5 to hit, reach 10 ft., one target. Hit: 16 (2d10 + 5) bludgeoning damage. If the target is a Medium or smaller creature, it must succeed on a DC 13 Strength saving throw or be knocked prone.
Edmontosaurus is among the largest of the hadrosaurs and is typically found in colder climates. These gentle giants are migratory and move south in the winter in massive herds of innumerable masses.