<p><strong>Fig. 6.3.</strong>&nbsp;(<strong>D</strong>) Harbor seal (<em>Phoca vitulina</em>) pup, Back Bay National Wildlife Refuge, Virginia</p>

Fig. 6.3. (D) Harbor seal (Phoca vitulina) pup, Back Bay National Wildlife Refuge, Virginia

Image courtesy of U.S. Fish and Wildlife Service (USFWS)