The grey-brown squirrel was back.

Not at the cache — at the edge of it, which was different. On Day 2 the presence had been ambiguous: an animal that might have been passing, might have been assessing. This was not that. This was a position.

The grey-brown squirrel was at the edge of the east cache zone — the same position, the same specific alertness it had carried on Day 2.

YY didn't hold position. YY moved closer.