The image below is a picture of a dog-fox hybrid in the Grosvenor Museum, one of the few known museum specimens (you can read more about fox-dog hybrids here).

A list of dog crosses

The following is a list of reported dog crosses discussed on this site. Some of these crosses are much better documented than others (as indicated by the reliability arrow). Moreover, some are extremely disparate, and so must be taken with a large grain of salt. But all have been reported at least once.

A dog-cow hybrid?