Hello,

I have had a few comments about what causes this anomaly. From my checking around online, this type of buck is called a stag. It either was born with defects in the guy parts area, or was injured during its life. The testosterone levels would have been low. The antler growth, velvet shedding, and antler dropping are controlled by testosterone. Because his was low, he did not drop his antlers or go out of velvet. There is a lot of information on the Internet if you search for "cactus buck" or "stag", I found more with "cactus buck".

Cheers, Chris