To answer a few of the questions about Mimics: Yes they were originally concepted as a Halloween breed, but without real expectation that they'd be chosen for Halloween, as I think pygmies have to be very compelling to overcome the disadvantage of being a limited breeding group. I was mainly having fun. I am very pleased though that TJ liked them well enough as a regular release to use them as originally concepted.
They are based on several inspirations. One is vampire bats, both for
WE SOLVED THE CHART ON THE DISCORD CHAT!
A Siyat's color depends on their natural time left when hatched. If you incubated, add a day to the egg's timer to find the window they are in.
7d 0h - 4d 1h: green (this means you must incubate, earthquake, or try to force with kill for green)
4d 0h - 2d 1h: blue
2d 0h - 0d 0h: purple