Unidentified beaked whales (which may include Blainville's beaked whales) have been incidentally taken in the pelagic drift gillnet fishery off the U.S. Atlantic coast. Beaked whales are often undifferentiated in the field and at sea due to a lack of distinct characteristics and the difficulty of positively identifying animals to the species level. In the Indian Ocean (off of the Seychelles and western Australia), Blainville's beaked whales have been incidentally taken by Japanese fishing boats (Jefferson et al. 2008). This species has been occasionally taken in hunts targeting small cetaceans. Blainville's beaked whales may be sensitive to underwater sounds and anthropogenic noise. Recently, strandings of this species in the Bahamas due to acoustic trauma, have been associated with active sonar during naval military activities and exercises. Anthropogenic noise levels in the world's oceans are an increasing habitat concern, particularly for deep-diving cetaceans like Blainville's beaked whales that use sound to feed, communicate, and navigate in the ocean.
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