What's your stance on bringing back extinct species?

[BrianSoddingBoru4]

As to the flying/weight issue:

https://en.m.wikipedia.org/wiki/Quetzalc...0%2520lb).



And the fire thing isn’t as much of an issue as you seem to think. I assume you’re aware that Bombardier beetles manage to defend themselves without cooking their innards. I can easily imagine a mechanism where methane produced in the gut is ignited by the animal as it leaves the mouth, perhaps by a spark from tooth gnashing or some such. Methane burns at about 3500F, more than hot enough to melt iron, gold, and silver.

Boru

like with aerodynamic flying,  difficulty is scale.  the  rate of heat dissipation is usually a function of surface area, where as the amount of heat generated is usually a function of the volume involved in the reaction.   volume goes up by the cube of dimension and area by the square,  so maintaint a lower temperature than the heat source through rapid heat dissipation gets increasingly difficult the larger the creature or the heat generating device.    So the ability of a firing spitting creature or flame thrower to surviving by dissipating waste heat faster than it is being generated, and thus keep its temperature lower than the temperature of the flame, decreased rapidly as the scale of the creature or flame thrower gets bigger.       so if a beatle can survive a transient exoteric reaction in its innards doesn’t mean a larger creature, say a cat or dog, much less a dragon, can survive the same thermodynamic feat,  especially if it involves not just a transient exoteric reaction,  but a sustained jet of flame able to break down castle doors.

Still waiting for a physics violation.

Boru