We report 20 photo-documented sightings of a blue/fin whale hybrid between 2004 and 2020, in its wintering and summering ranges

Migratory marine megafauna generally move vast distances between productive foraging grounds and environmentally stable breeding grounds, but characterizing how they

Tags have been used to examine migration routes and habitat use of large whales for >40 yr, however, evaluation of

The satellite-acquired locations of 10 blue whales (Balaenoptera musculus) tagged off southern California with Argos radio tags were used to

The relationship between blue whale (Balaenoptera musculus) visual and acoustic encounter rates was quantitatively evaluated using hourly counts of detected

We estimated humpback and blue whale abundance from 1991 to 1997 off the west coast of the U.S. and Mexico

Blue whales were widely distributed in the North Pacific prior to the primary period of modern commercial whaling in the

Blue whales (Balaenoptera musculus) are distributed worldwide, and although severely depleted by commercial whaling, their abundance off the California coast