What is "bluepoints"

Usage examples of "bluepoints".

Occasionally Rhiow had secretly followed Urruah down to the restaurant’s pedestrian-service window after finishing work, and had seen him stand there in line with the other commuters—provoking much amused comment—and then wheedle bluepoints out of one of the window staff, a big broad blond lady, by force of purr alone.

I can forgive mankind for destroying the dodo, but not for blotting out bluepoints.