Rooster bleeding?

[nhorrin]

Went out to the coop this morning and one of the roosters had blood on its beak. My first thought was that he attacked another bird or perhaps killed a mouse. All the other birds look fine and I can't find any mouse remains. I caught him and washed the blood off but he seems to be bleeding from the beak. I can't see if the blood is coming from inside or the beak itself. Any ideas?

Thanks!