Abstract: In the Hawaiian Islands small numbers of Bryde’s whales (Balaenoptera
edeni) have been documented only in the Northwestern (leeward) Hawaiian
Islands, and sei whales (B. borealis) have only recently been confirmed near the
islands of Maui and Hawai‘i. In November 2007, one Bryde’s whale and two sei
whale groups (including three subadults) were documented during a 7-day, systematic
vessel-transect survey conducted east and northeast of O‘ahu. The
Bryde’s whale sighting is the first in nearshore (