Brachiosaurus vs Microraptor

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

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Side-by-Side Comparison

Property Brachiosaurus Microraptor
Scientific Name Brachiosaurus altithorax Microraptor gui
Classification Sauropoda Dromaeosauridae
Period Jurassic Late Cretaceous Early
Diet Herbivore Carnivore
Length 26.0 m 0.8 m
Height 13.0 m 0.3 m
Weight 56.0 t 1 kg
Discovery Year 1903 2003
Discovery Location Grand River Valley, Colorado, USA Liaoning Province, China
Named By Elmer S. Riggs Xu Xing et al.
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Size Comparison

Brachiosaurus 26.0 m

about as long as 5 cars end-to-end

Microraptor 0.8 m

smaller than a human child

Weight Comparison

Brachiosaurus 56.0 t

heavier than 9 African elephants

Microraptor 1 kg

lighter than a human adult

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Timeline Comparison

Brachiosaurus
161.5 Mya Jurassic Late (Mesozoic) 145.0 Mya
Microraptor
145.0 Mya Cretaceous Early (Mesozoic) 100.5 Mya
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Diet Comparison

Brachiosaurus

Herbivore

Brachiosaurus was a plant-eater, feeding on vegetation like ferns, conifers, and cycads.

Microraptor

Carnivore

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

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Classification Comparison

Brachiosaurus

Clade: Sauropodomorpha

Group: Sauropoda

(Lizard feet)

Microraptor

Clade: Theropoda

Group: Dromaeosauridae

(Raptors)

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Did You Know?

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Brachiosaurus was about 32.5x longer than Microraptor.

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Brachiosaurus weighed roughly 56000x more than Microraptor.

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Brachiosaurus was a herbivore while Microraptor was a carnivore.

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Brachiosaurus lived during the Jurassic Late while Microraptor lived during the Cretaceous Early, separated by roughly 0 million years.

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Brachiosaurus was discovered 100 years earlier, in 1903.

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Brachiosaurus belonged to Sauropoda while Microraptor belonged to Dromaeosauridae.

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