Video showed a humpback whale smashing into and capsizing a boat. Biologists say the whale was likely just feeding.

• A humpback whale capsized a fishing boat off New Hampshire's coast, video showed.
• Marine biologists said the whale was likely feeding, not attacking.
• The humpback may have lunged for its prey and accidentally landed on the boat.

A fishing boat about a mile off the coast of New Hampshire capsized on Tuesday after a humpback whale came out of the water and smashed into it, according to video of the incident.