Foxes also commonly bark, which is generally used as another type of contact call to reach out to friends or rivals, Harris said. The bark sounds similar to that of a dog, except slightly higher pitched and sometimes shrill.
What does it mean when a fox barks?
Foxes do bark, and it sounds like a dog bark. Foxes usually bark when they are suddenly surprised. They do this to alert other foxes in the area that there is something wrong.
Do foxes Yap?
Unlike many canids, foxes aren't biphonic; they produce only low frequency sounds – i.e. they can whine and yap, but can't make the squeaking noises that canids such as dholes are able to produce.