The general make-up of the avian skin is similar to that of mammals, having an ''epidermis'' a ''dermis'' and a ''subcutaneous layer''. In comparison, however, it is much thinner, effectively glandless and contains [Feather - Anatomy & Physiology|feathers]]. Generally, the skin is thin enough to be transparent, aiding examination of superficial internal organs including the liver. | The general make-up of the avian skin is similar to that of mammals, having an ''epidermis'' a ''dermis'' and a ''subcutaneous layer''. In comparison, however, it is much thinner, effectively glandless and contains [Feather - Anatomy & Physiology|feathers]]. Generally, the skin is thin enough to be transparent, aiding examination of superficial internal organs including the liver. |