 Baird's beaked whales and Cuvier's beaked whales were subject to commercial exploitation, off the coast of Japan, while the northern bottlenose whale was extensively hunted in the northern part of the North Atlantic late in the 19th and early 20th centuries.Beaked whales are moderate in size, ranging from and weighing from .Their key distinguishing feature is the presence of a 'beak', somewhat similar to many dolphins.