SCP-3199 denotes a species of sapient Category-5 biological entities of currently indeterminable origin, though tissue samples indicate the presence of Silkie chicken1, chimpanzee2, stoat3, mussel4, adder5, and human DNA. They are typically hairless, stained with a thin layer of an albumen-like excretion, and stand at an average of 2.9 meters. Its weight averages 780 kg for a matured instance, and 360 kg for a hatchling.