The Vril

The Vril are a race of reptilian humanoids from Iron Sky

Biology
The Vril are bipedal, with two arms and two legs, they have shapeshifting and regenerative abilities, they are omninivorous in diet as they have been seen eating Humans but they also do carry chocolate with Vril inside of it on their person when they travel to the surface, they have extremely long lifespans most likely due to the vril in their diets

Technology
The Vril managed to achieve spaceflight at least before the mid to late cretaceous period, they have a mastery over an energy source known as Vril, they have spacesuit and most likely have long known how to domestic animals.