Sonar ‘dinner bell’ attracts elephant seals deep in Pacific waters

Sonar ‘dinner bell’ attracts elephant seals deep in Pacific waters The seals were captured on camera—surprisingly, and repeatedly—drawn by sonar to check out a 645-metre-deep research site at Barkley Canyon Want to know keep up-to-date on what's happening in Victoria? Subscribe to our daily newsletter: The seals were captured on camera—surprisingly, and repeatedly—drawn by sonar to check out a 645-metre-deep research site at Barkley Canyon The seals were captured on camera—surprisingly, and repeatedly—drawn by sonar to check out a 645-metre-deep …