It's called making a hypothesis. Something that is just about possible which fits all the available evidence.
It's called "asking for evidence to support completely OTW assertions."
So, I ask again: do you have any evidence, even evidence by analogy, if anything resembling a mechanism whereby a predator could isolate blood from prey of a different species, and store it for oxygen transport? Without even the tawdriest hint of a suggestion as to how you think it might work,it is not a hypothesis; it isn't even a SWAG; it isn't even wrong.
The same goes for the super-duper-aero-stealth jet drive...what analogues do you see? How do you propose it might work? By what remotely plausible mechanism might it be wrought?
Not to mention: What is the largest insect currently demonstrated to exist? How does it locomote? Why do you, personally, think that might be? How large would your proposed
Anishop
tera be, to make the tailprints you claim it, and only it, could make?
Further, you have the fundamental problem of all cryptozooid fanciers: IF there were, in fact, a viable population of giant, butt-pogoing dragonflies out there, where have they been? Where are the egg cases, the discarded exoskeletons, the partially-eaten remains? Why is the only "evidence" for its existence a few widely-scattered tailprint trails (granting them as "tailprints" only
arguendo)?
Seriously: a dragonfly big enough to "mutilate cattle" exists, but has never been seen?
I am truly interested in your answers.