The area is the site of frequent strandings, which experts believe is due in part to its hook-like shape and extreme tidal fluctuations. Ten dolphins died in a mass stranding on Friday.

Great white shark populations have been difficult to track around Cape Cod due to the species' elusive nature and smaller populations, according to researchers.

Michael Packard says he was trapped in the whale's mouth for 30 to 40 seconds before it tossed him back in the water, bruised but otherwise unharmed. Experts tell NPR such events are extremely rare.

Business owners who rely on seasonal foreign workers coming to the U.S. on H-2B visas are struggling to find help they need for what's expected to be a busy summer.