Blainville’s Beaked Whale
These secretive deep divers produce focused clicks between 20-40 kHz through specialized nasal structures. They hunt squid in pitch-black ocean depths exceeding 2,000 meters below the surface. Blainville’s beaked whales hold the record for longest mammalian dive time, staying submerged for over two hours. They need excellent echolocation to find prey during these marathon dives without light. Their distinctive V-shaped jawline houses sensitive receptors that detect returning echoes. This species faces threats from navy sonar exercises which can interfere with their natural echolocation abilities and cause stranding events.