Microraptor vs Utahraptor

A detailed side-by-side comparison of Microraptor and Utahraptor, covering size, diet, classification, geologic period, and discovery history.

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Side-by-Side Comparison

Property	Microraptor	Utahraptor
Scientific Name	Microraptor gui	Utahraptor ostrommaysi
Classification	Dromaeosauridae	Dromaeosauridae
Period	Cretaceous Early	Cretaceous Early
Diet	Carnivore	Carnivore
Length	0.8 m	5.5 m
Height	0.3 m	1.8 m
Weight	1 kg	500 kg
Discovery Year	2003	1993
Discovery Location	Liaoning Province, China	Arches National Park, Utah, USA
Named By	Xu Xing et al.	James Kirkland et al.

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Size Comparison

Microraptor 0.8 m

smaller than a human child

Utahraptor 5.5 m

roughly the length of a large SUV

Weight Comparison

Microraptor 1 kg

lighter than a human adult

Utahraptor 500 kg

about 7 adult humans

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Timeline Comparison

Microraptor

145.0 Mya Cretaceous Early (Mesozoic) 100.5 Mya

Utahraptor

145.0 Mya Cretaceous Early (Mesozoic) 100.5 Mya

Microraptor and Utahraptor both lived during the Cretaceous Early period and may have shared the same habitats.

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Diet Comparison

Microraptor

Carnivore

Microraptor was a meat-eating predator, hunting other animals for food.

Utahraptor

Carnivore

Utahraptor was a meat-eating predator, hunting other animals for food.

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Classification Comparison

Microraptor

Clade: Theropoda

Group: Dromaeosauridae

(Raptors)

Utahraptor

Clade: Theropoda

Group: Dromaeosauridae

(Raptors)

Both dinosaurs share a common ancestor within the Dromaeosauridae clade.

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Did You Know?

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Utahraptor was about 6.9x longer than Microraptor.

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Utahraptor weighed roughly 500x more than Microraptor.

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Both Microraptor and Utahraptor were carnivores.

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Both dinosaurs lived during the Cretaceous Early period and may have coexisted.

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Utahraptor was discovered 10 years earlier, in 1993.

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Both belong to the Dromaeosauridae clade, making them relatively close relatives.

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Compare With Other Dinosaurs

Archaeopteryx vs Microraptor

Carnivore vs Carnivore

Compsognathus vs Microraptor

Carnivore vs Carnivore

Deinonychus vs Utahraptor

Carnivore vs Carnivore

Velociraptor vs Microraptor

Carnivore vs Carnivore

Velociraptor vs Utahraptor

Carnivore vs Carnivore

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Explore These Dinosaurs

Microraptor

Microraptor gui

0.8m long, 0.3m tall, 1.0kg · Cretaceous Early

Utahraptor

Utahraptor ostrommaysi

5.5m long, 1.8m tall, 500.0kg · Cretaceous Early

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