TheropodaCretaceous PeriodOmnivore
Anzu
Anzu wyliei Lamanna et al., 2014
The 'Chicken from Hell', a gigantic, crested caenagnathid oviraptorosaur from the Hell Creek Formation.
3–3.5 m (9.8–11.5 ft)
200–300 kg (441–661 lbs)
Trophic Category
Omnivore Dinosaurs
Opportunistic feeders consuming both vegetation, seeds, insects, and small vertebrates.
Cataloged Omnivore Dinosaurs (7 total)
Theropoda
TheropodaCretaceous PeriodOmnivore
Caudipteryx
Caudipteryx zoui Ji et al., 1998
A ground-dwelling basal oviraptorosaur from Liaoning, China preserving true vaned feathers and gastroliths.
0.8–1 m (2.6–3.3 ft)
3–5 kg (7–11 lbs)
SauropodomorphaTriassic PeriodOmnivore
Eoraptor
Eoraptor lunensis Sereno et al., 1993
A diminutive Late Triassic dinosaur from Argentina whose phylogenetic position between basal Theropoda and stem-Sauropodomorpha has been extensively debated.
0.9–1.2 m (3.0–3.9 ft)
4–8 kg (9–18 lbs)
TheropodaCretaceous PeriodOmnivore
Gallimimus
Gallimimus bullatus Osmólska et al., 1972
The largest known ornithomimid 'ostrich dinosaur', famous for its immense running speed across ancient Mongolia.
5–6 m (16.4–19.7 ft)
400–500 kg (882–1,102 lbs)
TheropodaCretaceous PeriodOmnivore
Oviraptor
Oviraptor philoceratops Osborn, 1924
The famously misnamed 'egg thief' from the Gobi Desert that was actually a devoted parent brooding its own nest.
1.5–2 m (4.9–6.6 ft)
25–40 kg (55–88 lbs)
TheropodaCretaceous PeriodOmnivore
Struthiomimus
Struthiomimus altus Lambe, 1902
An agile, ostrich-mimic theropod that sprinted across Late Cretaceous western North America.
3.5–4.3 m (11.5–14.1 ft)
150–200 kg (331–441 lbs)
TheropodaCretaceous PeriodOmnivore
Troodon
Troodon formosus Leidy, 1856
A small, large-brained Late Cretaceous theropod with acute stereoscopic vision and large eyes.
2–2.5 m (6.6–8.2 ft)
40–50 kg (88–110 lbs)