Here's a short update about ARKA's general structure and in particular the Fauna Recovery System. In ARKA, you must document and retrieve the various creatures you come across in your travels, as well as doing enough just to keep yourself alive and sheltered from the elements. You will inevitably stumble upon new species you haven't met before, and you can ‘deal' with them any way you deem fit - and as long as they're not struggling, you can capture them! To do this, make use of the Fauna Recovery Tool, which attaches a balloon to your incapacitated friends and sends them skyward, towards you research Ark hovering in the atmosphere above.
Here's a small vid demonstrating the Fauna Recovery System -