A gull flips a herring in order to swallow it whole while flying away with a meal robbed from a delivery truck, Wednesday, July 8, 2015, in Rockland, Maine. (Photo by Robert F. Bukaty/AP Photo)

In this photo made Friday, August 3, 2012, Olivia Trankina of Marietta, Ga., and Liz Archibald of Clarks Summit, Penn., leap from the bowsprit of the schooner Mary Day in Bucks Harbor in South Brooksville, Maine. (Photo by Robert F. Bukaty/AP Photo)

Caleb Lavoie, 17, of Dayton, Maine, front, and Curtis Huard, 16, of Arundel, Maine, leap out of the way as a large wave crashes over a seawall on the Atlantic Ocean during the early stages of Hurricane Sandy, Monday, October 29, 2012, in Kennebunk, Maine. (Photo by Robert F. Bukaty/AP Photo)

In this March 2012 file photo, elver fisherman Bruce Steeves checks his dip net while fishing by lantern light on a river in southern Maine. (Photo by Robert F. Bukaty/AP Photo)

In this photo made Friday, August 3, 2012, the schooner Mary Day sits at anchor in the morning fog off South Brooksville, Maine. (Photo by Robert F. Bukaty/AP Photo)

In this October 24, 2014 photo, an uninhabited old farmhouse sags in disrepair during a nor'easter rainstorm in Searsport, Maine. (Photo by Robert F. Bukaty/AP Photo)

Tom Locklin, of Bethel, Maine, sips a beer as he looks out of his warm ice fishing shack on Christopher Lake where the temperature was 0 degrees at dusk, Thursday, January 15, 2009, in Bryant Pond, Maine. (Photo by Robert F. Bukaty/AP Photo)

In this November 11, 2010 photo, the big dipper shines in the evening sky over a 212-year-old farm house in Brunswick, Maine. (Photo by Robert F. Bukaty/AP Photo)

A pilot dips the basket of his hot-air balloon in the Androscoggin River in front of a couple in a canoe during the Great Falls Balloon Festival, Friday, August 19, 2011, in Lewiston, Maine. (Photo by Robert F. Bukaty/AP Photo)

The tide pulls at a beached lobster trap as a nearly full moon rises at Popham Beach in Phippsburg, Maine, in this five-second time exposure, Friday evening, December 9, 2011. (Photo by Robert F. Bukaty/AP Photo)

A chipping sparrow tugs on some loose threads of weathered clothing while gathering nest-building materials in a garden, Thursday, May 30, 2013, in Freeport, Maine. (Photo by Robert F. Bukaty/AP Photo)

Russell Norris, 15, of Tylertown, Miss., dives into the chilly Swift River at Coos Canyon in Byron, Maine. The canyon is considered one of the premier swimming holes in the U.S. (Photo by Robert F. Bukaty/AP Photo)

A pine marten bounds off into the woods to hide until a vehicle passes by, temporarily abandoning a snowshoe hare it had been dragging up a snowy hill next to a logging road, Friday, March 21, 2014, near Jackman, Maine. Martens are members of the weasel family. (Photo by Robert F. Bukaty/AP Photo)

A barge motors through arctic sea-smoke on its way out of Portland Harbor, where the temperatures at sunrise was about minus 5 degrees Fahrenheit, Thursday, January 24, 2013, in Portland, Maine. (Photo by Robert F. Bukaty/AP Photo)

A pair of tree swallows circle their nesting box, Thursday, May 16, 2013, at the Scarborough Marsh in Scarborough, Maine. (Photo by Robert F. Bukaty/AP Photo)

Arctic sea-smoke rises from Portland Harbor where the Bahama-based oil tanker, the Teesta Spirit, unloads it's fuel, Thursday, January 24, 2013, in South Portland, Maine. (Photo by Robert F. Bukaty/AP Photo)

The Stephen Taber competes in the 39th Annual Great Schooner race, Friday, July 3, 2015, on Penobscot Bay off the coast of Rockland, Maine. (Photo by Robert F. Bukaty/AP Photo)

In this photo made Wednesday, October 2, 2013, a bobcat watches from the edge of the woods in Baileyville, Maine. (Photo by Robert F. Bukaty/AP Photo)

In this Saturday, December 14, 2013, file photo, a makeshift memorial with crosses for the victims of the Sandy Hook massacre stands outside a home in Newtown, Conn., the one-year anniversary of the shootings. (Photo by Robert F. Bukaty/AP Photo)

Rime ice covers rocks on the summit of Mount Washington in New Hampshire on Tuesday, March 10, 2015. Rime ice occurs when freezing fog hits stationary objects in frigid conditions. (Photo by Robert F. Bukaty/AP Photo)

In this photo made Wednesday, September 11, 2013, lightning strikes north of Macworth Island in Portland, Maine. (Photo by Robert F. Bukaty/AP Photo)

The sun's rays strike the rocky coast of Acadia National Park, in Maine, Thursday, May 2, 2013. (Photo by Robert F. Bukaty/AP Photo)

Strong winds kick up to challenge Canadian climber Michael LaRose, of Montreal, as he travels through the Alpine Garden, an area known for vegetation commonly found in the northern tundra, below the summit of Mt. Washington, Saturday, March 30, 2013, in New Hampshire. (Photo by Robert F. Bukaty/AP Photo)

Jennifer Rice and Mike Femia battle wind-driven snow as they make their way to their jobs at a pharmaceutical lab, as seen through a window, Tuesday, January 27, 2015, in downtown Portland, Maine. (Photo by Robert F. Bukaty/AP Photo)

With the temperature at minus 6 degrees Fahrenheit, steam vapors from the Sappi paper mill dissipate into the early morning sky in Westrbook, Maine, Thursday morning, January 24, 2013. (Photo by Robert F. Bukaty/AP Photo)

In this July 1, 2013 photo, a puffin prepares to land with a bill full of fish on Eastern Egg Rock off the Maine coast. (Photo by Robert F. Bukaty/AP Photo)

In this photo made Saturday, May 25, 2013, rain and fog doesn't dampen sailor Rob Millbrandt's mood as he shuttles passengers from the schooner Mary Day, background, for visit to Isle Au Haut, Maine. (Photo by Robert F. Bukaty/AP Photo)

In this photo made Thursday, August 2, 2012, Maggy Mulhern, left, and Katharine Mead, prepare a lobster bake for dinner on the shore of a small island in Penobscot Bay, Maine. (Photo by Robert F. Bukaty/AP Photo)

Rime ice coats the buildings and antennas on top of Mt. Washington, Saturday, March 30, 2013, in New Hampshire. (Photo by Robert F. Bukaty/AP Photo)

Jack Fleming, of the Boston Athletic Association, which runs the Boston Marathon, pauses at the finish line on Boylston Street between Dartmouth and Exeter Streets near the Monday, April 22, 2013 in Boston. (Photo by Robert F. Bukaty/AP Photo)

The first rays of sunlight color the sky above the Crystal Springs Farm while a small flock of sheep grazes at dawn, Friday, June 20, 2014, in Brunswick, Maine. (Photo by Robert F. Bukaty/AP Photo)

Russell Keene, 52, of Livermore Falls, Maine, does a swan dive into the Swift River off a cliff at Coos Canyon in Byron, Maine. The canyon is considered one of the premier swimming holes in the U.S. (Photo by Robert F. Bukaty/AP Photo)

In this photo made July 6, 2012, the schooner Mary Day, right, sails in a schooner race with other members of Maine's windjammer fleet off Rockland, Maine. (Photo by Robert F. Bukaty/AP Photo)

In this file photo made in July 2007, an Atlantic puffin with a beak crammed with hake makes its way to a burrow to feed its chick, Monday July 9, 2007, on Eastern Egg Rock, Maine. (Photo by Robert F. Bukaty/AP Photo)

Fierce winds blow snow as snowboarder Garrett Ramos, 20, uses a shovel to build a jump, Friday, January 3, 2014, in Portland, Maine. (Photo by Robert F. Bukaty/AP Photo)

Like a frozen waterfall, a wall of ice more than 40-feet-high stretches down to the high-tide line on Otter Cliffs overlooking the Atlantic Ocean, in this time-exposure made Thursday, March 6, 2014, at Acadia National Park in Maine. (Photo by Robert F. Bukaty/AP Photo)

Deuce, a yellow Labrador retriever, swims with his fetching stick in the Saco River while his owner chats with fellow lobstermen, Friday, May 17, 2013, at Camp Ellis in Saco, Maine. (Photo by Robert F. Bukaty/AP Photo)

Clearing skies await a tripod-toting photographer looking for a spot to capture the early-morning light at Portland Head Light, Thursday, January 17, 2013, in Cape Elizabeth, Maine. (Photo by Robert F. Bukaty/AP Photo)