Smithsonian squid expert Dr. Clyde Roper collaborated with National Geographic to attach this Crittercam to the head of a sperm whale, hoping to get footage of the whale’s favorite prey—giant squid. At left is the Crittercam’s inventor, Greg Marshall, of National Geographic. At right is British cephalopod expert Dr. Malcolm R. Clark. Click here to see footage of a sperm whale equipped with a Crittercam. More about the giant squid can be found in our Giant Squid featured story.