Otterhounds are thick, woolly harriers with oily underfur.
2
The close-up photograph shows the long coarse guard hairs which overlie the soft dense wooly underfur.
3
The hair much resembles that of a beaver, but is shorter; it consists of a thick soft underfur, interspersed with longer stiff, glistening hairs, which overlie and conceal the former, on the upper surface and sides of the body.