The cetacean skeleton is largely made up of cortical bone which stabilizes the animal in the water for this reason the usual terrestrial compact bones which are finely woven cancellous bone are replaced with lighter and more elastic material in many places bone elements are replaced by cartilage and even fat thereby improving their hydrostatic qualities
Most people know that both labradoodles and goldendoodles are quite great as outside dogs as they have an insulating double coat that s able to keep them