He is Aggressive around Male dogs and growls when around them. The reason I believe he is basenji is because he cannot bark but yodels, he also sits like a cat by the window (Saw this in a basenji video). I will get the DNA test done soon as well. He is 38 pounds which I know is much larger than a basenji. I also think he looks a lot like a Portuguese podengo (short hair, grande)(http://www.omnidoginfo.com/Portuguese_Podengo.asp). Here are some more pictures below! Thanks for your input