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(Dinosaur) Struthiomimus

By Nobu Tamura ( - Own work, CC BY 3.0,, Struthiomimus
By Nobu Tamura ( – Own work, CC BY 3.0,

This reptilian biped resembles an ostrich with arms and a long tail. A layer of down coats the creature and its legs are muscular and long.

Originally Posted by Shade of the En World forums.

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The struthiomimus is a fast omnivorous dinosaur.

A struthiomimus is about 4 feet tall at the shoulder and about 10 feet long, and weighs around 330 pounds. They live in small flocks of one or more families and eat just about anything. Their diets include, but are not limited to, berries, nuts, tubers, lizards, eggs and small mammals. It has been reported that they will attack and consume Halflings, but this is probably just a rumor. They are hunted themselves by tyrannosaurs and dinonychuses, and so their speed is an asset in escaping being eaten as much as it is in catching prey.

Dinosaur, Struthiomimus
Large animal
Hit Dice6d8+12 (39 hp)
Speed60 ft. (12 squares)
Armor Class15 (-1 size, +3 Dexterity, +3 natural), touch 12, flat-footed 12
Base Attack/Grapple+4/+12
AttackKick +7 melee (1d8+4)
Full AttackKick +7 melee (1d8+4) and bite +2 melee (1d6+2) and 2 claws +2 melee (1d3+3)
Space/Reach10 ft./5 ft.
Special QualitiesLow-Light Vision, Scent, sprint, uncanny dodge
SavesFort +7, Ref +8, Will +3
AbilitiesStrength 18, Dexterity 16, Constitution 15, Intelligence 2, Wisdom 13, Charisma 10
SkillsHide +2*, Jump +16, Listen +6, Spot +6
FeatsAlertness, Endurance, Run
EnvironmentWarm plains
OrganizationSolitary, pair or flock (4-7)
Challenge Rating4
AlignmentAlways neutral
Advancement7-12 HD (Large), 13-18 HD (Huge)
Level Adjustment


A struthiomimus attacks with its powerful hind legs, its bite and its small claws, but is more likely to simply flee a confrontation using its great speed.

Sprint (Ex): Once per day, a struthiomimus can move at 10 times its normal speed (600 ft.). It generally uses this ability either on a charge or to flee.

Skills: A struthiomimus receives a +8 racial bonus on all Hide checks made in a plains environment.

Originally appeared in Monster Manual II (1983).

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