The populations of Megaptera novaeangliae are increasing again after commercial whaling, which strongly decimated the number of individuals, was stopped in the mid-20th century. Humpback whales are among the most common whale species occurring in Skj lfandi Bay, North Iceland. The present data show increasing sighting rates during the summer research season (April - October) from 2003 (0.0001/minute) to 2012 (0.0246/minute), whereas no significant...