Steller's Jay attacking a Gray Fox, as photographed by Hal Fogel

Looks like this Gray Fox got to close for a pair of Steller's Jays. They buzzed the poor Gray Fox until it slunk off. Hal Fogel captured the event.

Thanks go to Hal for allowing me to share his action shot with you here.
To see a photo of a pair of Gray Foxes in a more peaceful situation, here's the link to Siegfried Matull's photo: http://mendonomasightings.blogspot.com/2012/06/mated-gray-fox-pair-as-photographed-by.html