Description.—A medium-sized, stout-bodied whale up to 54 feet in length; dorsal fin low, not prominent; head flat above, rounded beneath; prominent "hump" at back of head; belly with numerous longitudinal ridges; baleen small; color blackish or grayish above, paler below; body characteristically blotched with patches of whitish barnacles.
Remarks.—The humpback is the commonest whale off the coast of Washington, often coming into northern Puget Sound.
Eubalaena sieboldii ([Gray])
Pacific right whale
Description.—A large whale, 60-70 feet in length, with enormous, rounded head; dorsal fin absent; belly lacking longitudinal ridges; baleen blackish, 8 feet in length; color uniformly blackish.
Remarks.—A much hunted species now probably rare off shore.
HYPOTHETICAL LIST
Mammals Other Than Cetaceans Possibly Occurring in Washington
of Which Satisfactory Record Is Lacking