<h3>Fate of the Ewoks</h3>
No animal larger than a few kilograms and incapable of long sheltered hibernation could survive the Endorian calamity. The air might even have been poisoned and deoxygenated for a few years until simple plant life could return to growth. If so then it is possible that all animal life perished. In any case any ewok on the surface who was not equipped with impressive high-technology survival gear and a nuclear shelter must have died.
For those unfortunate beings not painlessly obliterated by the impact concussions, the initial night of celebration would linger on and on with days of darkness. A chill would fall, the waters would turn to ice and the vegetation would wilt into death or dormancy, depending on species. Provided that radioactivity was insignificant and the air remained modestly breathable (a very generous assumption) the doomed ewoks might survive for days or weeks huddling around bonfires, until they starved.
The species was not perfectly confined to its native moon, and some off-world individuals seem to have survived. Exact statistics for ewok emigration are unknown but probably small. Although the Galactic Empire had declared the moon a natural sanctuary, at least several smugglers had taken ewoks offworld as stowaways, hitchhikers and perhaps slaves. These encounters are known to have happened long before the start of the Death Star II construction project. It seems likely that the forces of the Rebel Alliance evacuated some ewoks in the aftermath of the Battle of Endor, though they did not have sufficient transport capability or enough time to gather more than a small fraction of the scattered global population. Members of the tribe which had adopted the Rebel Alliance were probably given preferential treatment. The presence of two living ewoks among the forces of the New Republic Navy was confirmed in Dark Empire, six years after the disaster.
During the Thrawn campaign, the neutral planet Svivren boasted an ewok population. The Svivreni detest the Galactic Civil War, and they successfully resisted both the Imperial remnants and the New Republic after Palpatine's fall. Thus Svivren is an ideal sanctuary for Endorian evacuees. Statistics in The Last Command Sourcebook hint that the ewoks comprise the largest minority group on the planet.
If there truly were ewoks on the moon during the later visit of Kyp Durron then they must be a recently-resettled group, with modern survival equipment if the climate remains hostile. They may be part of a deliberate rehabilitation and terraforming project executed by a benign agency with galactic-standard technology.
Though resettlement of offworld ewoks ends the species' technical state of extinction on their homeworld, the fate of the ewoks is not yet secure. It is not clear whether the remnant ewok population is large enough for the species to remain viable without extensive genetic therapy to counteract the ills of inbreeding. If the Death Star II fallout was radioactive then the ewok returnees would also need to contend with radiation sickness, enhanced rates of cancer and mutational birth abnormalities.
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