Hi, Frank Indiviglio here. I’m a herpetologist, zoologist, and book author, recently retired from a career spent at several zoos, aquariums, and museums, including over20 years with the Bronx Zoo. This article covers some field observations of I and others, record-sized Black Ratsnakes, giant meals, captive care: The Natural History and Captive Care of the Black (Eastern) Ratsnake, Elaphe (obsoleta) alleghaniensis | That Reptile Blog