Fox hunting, part two

The crows were not the only ones to raise an alarm that a fox was about.  At least one American red squirrel occasionally joined in with its high-pitched voice.

A young American red squirrel (Tamiasciurus hudsonicus).

Together, the crows and squirrel would make such a clamor that it would have been difficult to ignore even if I hadn't already become attuned to the crows.  Hearing the alarm, I would grab my cameras and rush to the nearest vantage point -- in this case, the balcony:

* To see this video in high definition (1080p), you may need to: 

(1) click "YouTube" to watch on the YouTube website

(2) change the settings at the bottom of the video screen

I watched the video several times before I noticed that it features not one, but two squirrels.  There is the American red squirrel calling noisily in the background, as well as a much less vigilant gray squirrel behind the ferns.  If you watch the top of the video very closely, you can see can see it moving towards the fox. Once the fox gets to the edge of the ferns, the gray squirrel turns to escape and the fox takes up chase.  To be continued...