A Hunter Killed This Bug-Eyed Buck in South Carolina. What Was Wrong With It?

The buck acted like it was blind when the hunter approached it. Stephen Ziegler / Facebook

Startling photos of a mature whitetail buck with severe eye bulging and redness emerged on Facebook on Sunday, stirring some questions about what was causing the deer’s condition. A hunter from South Carolina found the buck alive while coming out of the woods, according to the Facebook user who shared the photos. The hunter drove his off-road vehicle right up to the buck, which behaved like it was blind and didn’t move when approached. He killed the deer to put it out of its misery.

The hunter sent video footage to the South Carolina Department of Natural Resources, which conservation officers and biologists watched, SCDNR big game program coordinator Charles Ruth tells Outdoor Life. After initial observation, Ruth’s main theory is that the buck was suffering from a brain abscess that was impacting its neurological function—especially its vision. The abscess was likely causing pressure on the brain and inside the skull, which in turn caused the eyes to bulge and likely rendered the buck either partially or fully blind. 

But where did the brain abscess come from? When bucks rub and spar, they often cause minor, surface-level injuries to their heads, Ruth says. Bacteria that live naturally on the skin can tunnel into the cranium, boring a pinhole in the skull and starting the abscess. When white blood cells attack bacteria, tissue surrounding the infection site dies and creates a pocket of pus. In a location like the brain, without relief, that pocket will keep growing.

“Intracranial brain abscesses are not all that uncommon in adult bucks,” Ruth says. “We all know how these bucks, with their rubbing and fighting, tend to get beat up on their foreheads. In the right situation, this bacteria can erode a small hole through the cranium and set up a big pus pocket in the brain. Of course, you have connections to the sinuses and the eyes and the ears, which may explain the eye bulging.” 

Roughly 4 to 6 percent of mature bucks can have brain abscesses, Ruth says. Because these are caused by normal skin bacteria, there’s no risk of transmission or outbreak. But they do become more common during certain times of the year when bucks are fighting or rubbing more, like during the rut or when they’re shedding velvet. It’s not long before the neurological consequences set in. 

A few other hypotheses for this deer’s ailments included epizootic hemorrhagic disease or a congenital condition that the buck has dealt with since birth, Ruth says. But the buck is in good body condition, which makes EHD less likely. 

“That deer otherwise looked like it was in pretty darn good shape,” Ruth says. “It had good body mass and muscle tone. More than likely, given that it had a nice set of antlers, whatever happened to it has happened since most of its antler development ended.” 

If the condition is part of some genetic birth defect, the buck would have been developing these symptoms since it was a young fawn. (Ruth estimates the buck is around 3.5 to 4.5 years old based on its body size and shape.) But his more likely estimate is that a bacterium like Trueperella pyogenes or a staphylococcus strain is to blame. 

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Unfortunately, Ruth says, a brain abscess is a certain death sentence for the affected deer. (In this case, the hunters killed the deer to end its misery, he confirms.)

“We’ll get the quintessential call from a property owner or hunter who has an adult buck walking in circles in a food plot, and you can walk right up to them and they don’t even have any idea you’re on the planet,” Ruth says. “Those deer are going to die.”

The post A Hunter Killed This Bug-Eyed Buck in South Carolina. What Was Wrong With It? appeared first on Outdoor Life.

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