Jaws
The upper jaw slightly overlaps the lower jaw. The curve of the mouth is long. From the side view, it appears to curve downward, ending just under the eye. The tongue of a gray whale can weigh 1000-3000 pounds (up to 1,300 kg). It represents at least 5 percent of the entire surface area of a gray whale's body. The huge tongue is muscular and nimble to help the whale during feeding.

Photo: Caroline Armon