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Dorothy: Supposin’ you met an elephant?
Cowardly Lion: I’d wrap him up in cellophant!
and later (also by the Cowardly Lion)
Courage! What makes the elephant charge his tusk, in the misty mist or the dusky dusk?
– from the Wizard of Oz
As far as is currently known, no (zero) big cats on Flores, so a lion versus elephant encounter would be very unlikely. In fact, there does not seem to presently be any indication of serious mammalian predators. This niche was filled by Komodo dragons and giant storks. Those would both be serious threats for Homo floresiensis. An oblique reference in Sherlock Holmes notwithstanding [in “The Adventure of the Sussex Vampire“, published in January 1924 and collected in The Casebook of Sherlock Holmes, Sherlock Holmes says to Dr. Watson:
“Matilda Briggs was not the name of a young woman, Watson, …
It was a ship which is associated with the giant rat of Sumatra, a story for which the world is not yet prepared.”], it does not look like giant rats were as lethal a threat.
While the various rodents of unusual size may have been competitors or perhaps prey, there were relatives of elephants on Flores. The current conjecture is that Stegodon florensis appeared about 850,000 years ago. It is estimated as having a shoulder height of 2 meters with a body weight of between 850 kilograms (1,870 pounds) and 1800 kilograms (2 tons). The belief is this species evolved into a dwarf version Stegodon florensis insularis that  eventually had a shoulder height of 1.2 meters and weighed 700 to 900 pounds. But there’s evidence of another dwarf, Stegodon sondaari, that was present 900,000 years and was even smaller – perhaps 650 to 700 pounds.  At the Mata Menge site on Flores in Octber 2014 a mandible and six teeth (at least three different individuals) were discovered and were dated to 700,000 years ago.  They appear to indicate even smaller hominids. So more fossils needed.
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