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Clicking on random article on https://ceb.m.wikipedia.org/wiki/Espesyal:Random#/random , looks like every article is that of either a tree, or an animal, or an insect, or a place...

And looking at one whole initial article it generated:

it describes where the place is and gives the citation as "found in the Geonames.org database".

The bot in question was originally created for plants and animals, so that makes sense.