Find some of the articles--many circulated on posts about coyotes in this section--on the relationship between red wolves and Eastern coyotes. The general consensus of those that have studied them is that the red wolf is a coyote-cross and no longer a pure animal. Likewise most Eastern coyotes show signs of having grey wolves in their ancestry. Either of these may account for the foot size and the odd howling. Size-wise red wolves and the Eastern coyotes are very similar. I still maintain that there is no way it can be a grey wolf that far from their known range. I also guess that those tracks were made, in all probability, by a domestic dog.
I already said (post #33) that if I recall genetic testing suggested Red Wolves were a wolf/coyote hybrid, I am not arguing there. And nobody said they were grey wolf tracks, the topic heading said Red Wolf. Like I said though, the one track does look like a coyote track (the way the toes are situated on the paw) so I am not sure it's a dog track. I wasn't thinking coyote, probably because the coyotes around here are about the size of a Border Collie. I am not familiar with the Eastern Coyotes or what size their prints would be. If as you say they are similar in size, then it could be either of those. With the wolves released in the area though, I wouldn't rule that out. I am not saying it was a wolf, just saying that in my opinion is possible. The wolves that were released are out there somewhere. But like I said, if it were me I would make sure the chickens are secure and leave it alone. I don't shoot predators just because they are there with the exception of Raccoons.