Melanistic Deer. More info:
However, a 1999 study by Dr. John T. Baccus and John C. Posey at Texas Tech University reported an incidence rate of 8.5 percent in an area covering eight central Texas counties: Blanco, Burnet, Caldwell, Comal, Guadalupe, Hays, Travis, and Williamson. This is the highest known localized incidence rate of melanism anywhere in the whitetail’s range. This 8-county region straddles the eastern edge of the Edwards Plateau Ecological Region (pictured below) and adjacent areas of the Blackland Prairie Ecological Region, known as Balcones Escarpment. This area holds the only known population of whitetails in North America experiencing melanism at a significantly elevated rate.
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