Or Coydog ...
https://www.google.com/search?client...=Fox+or+coyote
https://www.youtube.com/watch?v=oQ3X1vcBFt4
When I lived on Longisland (MOBO) I had red fox, male and female and some kits, show up a lot. Started seeing a coydog, I think. Definitely not a red or gray fox. Could have been a coyote, but looked too big.