Alien Species

Vegan (Robert Heinlein)

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General Information
Homeworld Vega
Habitat Can survive freezing in space
Sapience Level Sapient
Language Musical, like birdsong, but can be understood
Behind the Scenes
Universe Have Spacesuit - Will Travel
Created by Robert A. Heinlein

Vegans are an advanced race from Robert A. Heinlein's young adult novel Have Spacesuit - Will Travel. A Vegan, which the earthlings call "Mother Thing", is captured along with the daughter of an Earth scientist and rescues the earthlings from an alien kidnapper. The Vegans take the earthlings to their home planet, Vega 5, heal their injuries, and take evidence to an intergalactic tribunal which punishes the kidnappers, before returning the children to Earth.


The Vegans are able to communicate with Humans by a form of telepathy: their language is described as sounding like a birdsong, and only the intended listeners will understand the meaning of what the Vegan is saying.

Vegans have a pouch in their bodies, much like Earth marsupials. They can also go through freezing without suffering any cellular damage. While they breathe oxygen, they prefer an atmosphere with a higher concentration of ozone than Earth's, due to their homeworld having an ozone-rich atmosphere. Being native to the Vega System also makes them highly resistant to the ultraviolet radiation emitted by their home sun.

Culture and societyEdit

Their ships seem to operate on wormholes, and their mathematics use base 5. They're one of the member races of the Three Galaxies.


  • Have Spacesuit – Will Travel, by Robert A. Heinlein (1958)

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