The Sigyni

The Sigyni are a race of four-winged intelligent bats in the Shine Cycle that originally inhabited a large, but not very dense, planet in the Despard Cluster (far above the world of the two continents with which the series is most concerned). A Sigyn is about human-sized, between five and eight feet long at adulthood, with each wing between three and five feet long, and covered in light fur all over. They have “hands” (with five fingers plus an opposable thumb on each) at the end of each wing, claws (two sets of six claws, one opposable, each) serving as their “feet”, and two prehensile tails.

The Sigyni’s world has many caves, which are their natural habitat. Like bats in our world, they sleep hanging upside-down in the caves—though they are not as strictly nocturnal as our bats, and can navigate by sonar or by sight. The Sigyni are omnivorous; their diet is primarily fruit, but also insects and small animals. A very few, particularly “bent” individuals have developed a taste for blood.

There is a tree on the Sigyni’s world whose wood is very light, and easily worked, but once left to set hardens into a form very like a lightweight alloy. Between this and the easy availability of some metals in the caves, they achieved a somewhat industrialized society early. And even though they obviously didn’t need it for passenger transportation, they developed aircraft for freight much sooner than might be expected—helped by the planet’s low gravity and the availability of lightweight materials.

After a dozen more generations or so, having adapted various high-altitude plants into portable oxygen generators, and improved their aircraft sufficiently, they began to journey into space. The Sigyni are, as far as anyone knows, the only race to do so without ever developing artificial gravity—the design of their bodies made them as at home without gravity as with it. Once in space, they flourished in low- and no-gravity environments, and after encountering other inhabited planets they began to specialize in interplanetary and interstellar trade.

The Sigyni have two languages. The first is a subtle sign language formed using gestures of their hands and tails; the second modulates their sonar to convey the information. Additionally, while it sounds decidedly awkward, their vocal chords can be made to produce human languages (and others that human beings and similar races can produce), so they prefer to conduct business in the languages of their trading partners.

What do you think? Any comments or questions?

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3 thoughts on “The Sigyni

  1. Jonathan, wings perhaps should be larger and not furred. The relatively small wing size plus the fur would make them less able to fly.
    ?
    No need to answer me. Have you studied bats?

    • Thanks for checking my facts; the hope of comments like yours are a major reason why I’m doing my worldbuilding in public.

      No, I haven’t studied bats, except for perhaps a unit or two in elementary school. Yes, I see that the wings shouldn’t be very furred (though I’m not entirely sure they shouldn’t have any fur).

      On wing length, though: Note that the planet’s gravity is less than ours (possibly with a denser atmosphere too, and slightly different ecosystem chemistry to make them lighter but less fragile than bats are … though those ideas are just brainstorming out loud …), and that they have four rather than only two wings. I also only gave one dimension for their wings (because I haven’t studied bats or the physics of flight in any real detail); I came up with the figure I gave for that one dimension by taking the equivalent of a human “wingspan”, dividing it in half (without removing the width of the torso, which we would do to determine a human’s arm length from his “wingspan”), and increasing it by a “fudge factor”—resulting in beings with a significantly wider wingspan than their own height (probably 7-12 ft wingspan vs 5-8 ft height, if the torso is only 1-2 ft wide).

  2. I see know, having read and reread the post and your reply to my comment, that you clearly know what you’re doing; that you’re thinking everything through. The Sigyni are intriguing. Their cave world, their invents, their planetary travel could provide amazing ah ha! moments and the joy of being in another world.

    Yes, you did say ‘light fur’, so that will do especially in their planetary environment. Those Sigyni who are bent would be terrifying.

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