From Takodana, specifically Takodana Castle, a collection of varied beings, including various races and a droid, observe the Hosnian Cataclysm via sub-hyperspace.
A species can be defined as a collection of living beings that are able to reproduce with each other. The galaxy, along with its numerous planets, was full of a wide array of species, where members of a species generally exhibited a common set of recognizable biological traits. While some species possessed sentience, or the capacity for intelligent thought, others did not. It is estimated that the galaxy contained more than twenty million sentient species.
Humanoid was the term used to describe species whose physical structure was similar to that of humans. This included humans themselves, near-humans, and various aliens. According to Lugubrious Mote, most of the galaxy's sentient species were of similar size, generally ranging from approximately half a meter to three meters in height.
Species were categorized into various groups, including amphibians, birds, felines, insects, mammals, mollusks, reptiles, reptomammals, rodents, snakes, and spiders.
Kindalo and drengir were sentient species that were based on plant life.
Wirutid were sentient species whose biology was based on fungus.
Fish were considered Non-sentient.
Certain species, such as the Zillo Beast, Purrgil, and Mairan, exhibited Semi-sentience.
Reproduction was the method by which species produced new life.