After the first shock of wild amazement had passed, the two men, who were on horseback and armed with Winchester rifles, regained sufficient courage to pursue the monster, and after an exciting chase of several miles succeeded in getting near enough to open fire with their rifles and wounding it.
The creature then turned on the men but owing to its exhausted condition they were able to keep out of its way and after a few well directed shots the monster partly rolled over and remained motionless. The men cautiously approached, their horses snorting with terror, and found that the creature was dead."
According to the Epitaph, one of the men cut off a tip of one wing and took it home, and the following day went to Tombstone where "a party of prominent men was raised who will endeavor to bring the strange creature to this city before it is mutilated."
Or, maybe... something more? There have been similar reports elsewhere. One example: on July 14, 2002, witnesses claimed to see a smaller but nearly identical creature in the skies above Mesa, Colorado...
"A mind is like a parachute. It doesn't work if it's not open." -- Frank Zappa