A handler shows a Scottish Terrier during the final day of the Crufts Dog Show in Birmingham, Britain March 13, 2016. REUTERS/Eddie Keogh 

A handler shows a Scottish Terrier during the final day of the Crufts Dog Show in Birmingham, Britain March 13, 2016. REUTERS/Eddie Keogh 

Two Scottish Terriers wear Christmas themed coats as they join their owners to watch the annual Christmas Day Peter Pan Cup handicap swimming race in the Serpentine River, in Hyde Park, London, December 25, 2015. REUTERS/Andrew Winning 

Handler Rebecca Cross shows Knopa the Scottish Terrier to the Best in Show judge during the last day of Crufts Dog Show in Birmingham, central England, March 8, 2015. REUTERS/Darren Staples (BRITAIN - Tags: ANIMALS TPX IMAGES OF THE DAY) 

Handler Rebecca Cross shows Knopa the Scottish Terrier to the Best in Show judge during the last day of Crufts Dog Show in Birmingham, central England, March 8, 2015. REUTERS/Darren Staples (BRITAIN - Tags: ANIMALS) 

Handler Rebecca Cross shows Knopa the Scottish Terrier to the Best in Show judge during the last day of Crufts Dog Show in Birmingham, central England, March 8, 2015. REUTERS/Darren Staples (BRITAIN - Tags: ANIMALS TPX IMAGES OF THE DAY) 

Handler Rebecca Cross poses with Knopa the Scottish Terrier after winning Best in Show on the last day of Crufts Dog Show in Birmingham, central England, March 8, 2015. REUTERS/Darren Staples (BRITAIN - Tags: ANIMALS) 

Handler Rebecca Cross poses with Knopa the Scottish Terrier after winning Best in Show on the last day of Crufts Dog Show in Birmingham, central England, March 8, 2015. REUTERS/Darren Staples (BRITAIN - Tags: ANIMALS) 

A demonstrator takes to the floor as handler Rebecca Cross, with Knopa the Scottish Terrier, celebrates after winning Best in Show during the last day of Crufts Dog Show in Birmingham, central England, March 8, 2015. REUTERS/Darren Staples (BRITAIN - Tags: ANIMALS CIVIL UNREST) 

Handler Rebecca Cross poses with Knopa the Scottish Terrier after winning Best in Show on the last day of Crufts Dog Show in Birmingham, central England, March 8, 2015. REUTERS/Darren Staples (BRITAIN - Tags: ANIMALS TPX IMAGES OF THE DAY) 

Alistair Darling, the leader of the campaign to keep Scotland part of the United Kingdom, strokes a West Highland Terrier as he campaigns in Edinburgh, Scotland September 8, 2014. The British pound slid and the stock market shuddered on Monday after an opinion poll showed that Scots may vote for independence next week in a referendum that could herald the break up of the United Kingdom. The referendum on Scottish independence will take place on September 18, when Scotland will vote whether or not to end the 307-year-old union with the rest of the United Kingdom. REUTERS/Russell Cheyne (BRITAIN - Tags: POLITICS ELECTIONS BUSINESS ANIMALS) 

Three Scottish Terriers sit on the grass at the Ballater Highland Games, in Monaltrie Park, Ballater, Scotland August 14, 2014. REUTERS/Russell Cheyne (BRITAIN - Tags: ANIMALS ENTERTAINMENT SOCIETY) 

A Scottish Terrier leads the team from the Cook Islands into the stadium during the opening ceremony for the 2014 Commonwealth Games at Celtic Park in Glasgow, Scotland, July 23, 2014. REUTERS/Phil Noble (BRITAIN - Tags: SPORT)

A woman walks a Scottish Terrier as she leads out a country's delegation during the opening ceremony for the 2014 Commonwealth Games at Celtic Park in Glasgow, Scotland, July 23, 2014. REUTERS/Stefan Wermuth (BRITAIN - Tags: SPORT)

A woman walks a Scottish Terrier as she leads out a country's delegation during the opening ceremony for the 2014 Commonwealth Games at Celtic Park in Glasgow, Scotland, July 23, 2014. REUTERS/Stefan Wermuth (BRITAIN - Tags: SPORT)

A man walks a Scottish Terrier as he leads out Bangladesh's delegation during the opening ceremony for the 2014 Commonwealth Games at Celtic Park in Glasgow, Scotland, July 23, 2014. REUTERS/Stefan Wermuth (BRITAIN - Tags: SPORT TPX IMAGES OF THE DAY)

A Scottish Terrier stares out of the window of a whisky shop on Edinburgh's historic royal mile thoroughfare, January 20, 2012. Having stolen a march on a complacent British political establishment last year by winning an overall majority in Scotland's devolved parliament, Scottish National Party (SNP) leader Alex Salmond wants a referendum in 2014 that would allow a historic breakaway for the nation of 5.2 million. The British government opposes the move and wants to force a swift vote before the canny Salmond can build momentum for change. PHOTOGRAPH TAKEN 20JAN2012 REUTERS/Mohammed Abbas (BRITAIN - Tags: POLITICS) 

Winner of Best in Show at the Westminster Kennel Club Dog Show, Sadie, a Scottish Terrier poses on the floor of the New York Stock Exchange after ringing the opening bell, February 18, 2010. REUTERS/Brendan McDermid (UNITED STATES - Tags: BUSINESS ANIMALS) 

Roundtown Mercedes Of Maryscot, or Sadie, a Scottish Terrier, enters the ring with its handler Gabriel Rangel during the Westminster Kennel Club Dog Show at Madison Square Garden in New York February 16, 2010. REUTERS/Shannon Stapleton (UNITED STATES - Tags: SOCIETY ANIMALS) 

Roundtown Mercedes Of Maryscot, or Sadie, a Scottish Terrier, walks on a stand after winning Best in Show during the final day of the Westminster Dog Show in New York February 16, 2010. REUTERS/Lucas Jackson (UNITED STATES - Tags: SOCIETY ANIMALS) 

Roundtown Mercedes Of Maryscot, or Sadie, a Scottish Terrier, stands in the winning circle after winning Best in Show at the Westminster Kennel Club Dog Show at Madison Square Garden in New York, February 16, 2010. REUTERS/Shannon Stapleton (UNITED STATES - Tags: SOCIETY ANIMALS) 

Roundtown Mercedes Of Maryscot, or Sadie, a Scottish Terrier, stands next to a trophy after winning Best in Show during the final day of the Westminster Dog Show in New York February 16, 2010. REUTERS/Lucas Jackson (UNITED STATES - Tags: SOCIETY ANIMALS IMAGES OF THE DAY) 

Roundtown Mercedes Of Maryscot, or Sadie, a Scottish Terrier, runs through the ring during judging for Best in Show on the final day of the 2010 Westminster Dog Show in New York February 16, 2010. REUTERS/Lucas Jackson (UNITED STATES - Tags: SOCIETY ANIMALS) 

Roundtown Mercedes Of Maryscot, or Sadie, a Scottish Terrier, poses in the winning circle after winning Best in Show at the 134th Westminster Kennel Club Dog Show at Madison Square Garden in New York, February 16, 2010. REUTERS/Shannon Stapleton (UNITED STATES - Tags: SOCIETY ANIMALS) 

Roundtown Mercedes Of Maryscot, or Sadie, a Scottish Terrier, stands in the winning circle after winning Best in Show at the 134th Westminster Kennel Club Dog Show at Madison Square Garden in New York, February 16, 2010. REUTERS/Shannon Stapleton (UNITED STATES - Tags: SOCIETY ANIMALS) 

Handler Gabriel Rangel (C) celebrates after Scottish Terrier Roundtown Mercedes Of Maryscot, or Sadie, won Best in Show during the final day of the 2010 Westminster Dog Show in New York February 16, 2010. REUTERS/Lucas Jackson (UNITED STATES - Tags: SOCIETY ANIMALS) 

Handler Gabriel Rangel (L) holds Scottish Terrier Roundtown Mercedes Of Maryscot, or Sadie, after the dog won Best Of Show during the final day of the 2010 Westminster Dog Show in New York February 16, 2010. REUTERS/Lucas Jackson (UNITED STATES - Tags: SOCIETY ANIMALS) 

Roundtown Mercedes Of Maryscot, or Sadie, a Scottish Terrier, stands in the winning circle after winning Best in Show at the 134th Westminster Kennel Club Dog Show at Madison Square Garden in New York, February 16, 2010. REUTERS/Shannon Stapleton (UNITED STATES - Tags: SOCIETY ANIMALS IMAGES OF THE DAY) 

A handler celebrates with another handler while holding Scottish Terrier, Roundtown Mercedes Of Maryscot, or "Sadie" after the dog won the Terrier Group during the final day of the 2010 Westminster Dog Show in New York February 16, 2010. REUTERS/Lucas Jackson (UNITED STATES - Tags: SOCIETY ANIMALS) 

A combo of images show a card addressed to Reuters reporter Jon Decker with an apology letter signed by the U.S. first lady Laura Bush is dated November 6, 2008. Decker was bitten by President George W. Bush's dog Barney at the White House in Washington on November 6. Decker was treated by the White House physician after the Scottish terrier bit Decker when Decker reached to pet him. REUTERS/The White House (UNITED STATES). FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS.. 

A card addressed to Reuters reporter Jon Decker with an apology letter signed by the U.S. first lady Laura Bush is dated November 6, 2008. Decker was bitten by President George W. Bush's dog Barney at the White House in Washington on November 6. Decker was treated by the White House physician after the Scottish terrier bit Decker when Decker reached to pet him. REUTERS/The White House (UNITED STATES). FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS.. 

Apology letter signed by first lady Laura Bush in a card addressed to Reuters reporter Jon Decker is dated November 6, 2008. Decker was bitten by President George W. Bush's dog Barney at the White House in Washington on November 6. Decker was treated by the White House physician after the Scottish terrier bit Decker when Decker reached to pet him. REUTERS/The White House (UNITED STATES). FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS.. 

Reuters reporter Jon Decker shows his bandaged finger after he was bitten by President George W. Bush's dog Barney at the White House in Washington, November 6, 2008. Decker was treated by the White House physician after the Scottish terrier bit Decker when Decker reached to pet him. REUTERS/Larry Downing (UNITED STATES) 

U.S. President George W. Bush holds his dog Barney after arriving at TSTC in Waco, Texas, December 26, 2007. REUTERS/Larry Downing (UNITED STATES) 

U.S. President George W. Bush calls for his dog, Barney, at the White House in Washington September 28, 2007. REUTERS/Jim Young (UNITED STATES) 

A Scottish Terrier is judged during the Israel Kennel Club's international dog show in the southern Israeli city of Beer Sheba January 26, 2007. REUTERS/Sharon Perry (ISRAEL) 

U.S. President George W. Bush holds his dog Barney and salutes while departing Air Force One at TSTC in Waco, Texas before spending a week at his Central Texas ranch in Crawford December 26, 2006. REUTERS/Larry Downing (UNITED STATES) 

Miss Beazley, pet of U.S. President George W. Bush, checks the prosthetic legs of Iraq war double-amputee U.S. Army soldier SSgt Christian Bagge, of Eugene, Oregon, after he jogged with Bush along the jogging path on the South Lawn of the White House in Washington June 27, 2006. REUTERS/Larry Downing (UNITED STATES) 

Barney, the Scottish Terrier pet dog of U.S. President George W. Bush and first lady Laura Bush, sits near TV network microphones stationed on the driveway outside the West Wing of the White House in Washington January 25, 2006. Barney, who can be seen most days walking around the White House, was pictured exploring around the West Wing near the microphones that are almost permanently placed there as visiting officials come and go. REUTERS/Jason Reed 

Miss Beazley, the younger of two Scottish Terriers that call the White House their home, runs with a ball on the South Lawn of the White House in Washington October 27, 2005. Miss Beazley, a birthday gift from U.S. President George W. Bush to first lady Laura Bush earlier this year, shares the White House with another presidential pooch, Barney. REUTERS/Jason Reed 

White House dogs Barney (L) and Miss Beazley wrestle over a toy on the South Lawn of the White House January 31, 2005. Miss Beazley was a birthday present from the President to Mrs. Bush. Both dogs are Scottish terriers. 

White House dogs Barney (L) and Miss Beazley wrestle over a toy on the South Lawn of the White House January 31, 2005. Miss Beazley was a birthday present from the President to Mrs. Bush. Both dogs are Scottish terriers. REUTERS/Kevin Lamarque KL 

Barney walks along with the new White House dog "Miss Beazley" during a photo opportunity to introduce the first couple's new pet on the South Lawn of the White House January 6, 2005. Miss Beazley, a Scottish Terrier like Barney, is a birthday present from [U.S. President George W. Bush to first lady Laura Bush.] 

First lady Laura Bush holds her new dog "Miss Beazley" up during a photo opportunity to introduce the first couple's new pet on the South Lawn of the White House January 6, 2005. Miss Beazley, a Scottish Terrier like [Barney], is a birthday present from [U.S. President George W. Bush] to first lady Laura Bush. 

U.S. President George W. Bush pets Scottish terrier puppy "Miss Beazley" as breeder Bill Berry holds the dog up during a photo opportunity to introduce the new White House pet, January 6, 2005. Miss Beazley is a birthday present from U.S. President George W. Bush to first lady Laura Bush. REUTERS/Kevin Lamarque KL 

First lady Laura Bush holds her new dog "Miss Beazley" up during a photo opportunity to introduce the first couple's new pet on the South Lawn of the White House January 6, 2005. Miss Beazley, a Scottish Terrier like Barney, is a birthday present from U.S. President George W. Bush to first lady Laura Bush. REUTERS/Kevin Lamarque KL 

Barney walks along with the new White House dog "Miss Beazley" during a photo opportunity to introduce the first couple's new pet on the South Lawn of the White House January 6, 2005. Miss Beazley, a Scottish Terrier like Barney, is a birthday present from U.S. President George W. Bush to first lady Laura Bush. REUTERS/Kevin Lamarque KL 

U.S. President George W. Bush holds his Scottish Terrier Barney before
getting back in his truck on his ranch, while vacationing in Crawford,
Texas, August 13, 2003. Bush had just ended a news conference with his
economic team. REUTERS/Rick Wilking

RTW/GN 

U.S. President George W. Bush holds his Scottish Terrier Barney before
getting back in his truck on his ranch in Crawford, Texas August 13,
2003. Bush had just ended a news conference with his economic team.
REUTERS/Rick Wilking

RTW 

U.S. President George W. Bush sits in his pickup truck with his
Scottish Terrier Barney, while vacationing on his ranch in Crawford,
Texas, August 13, 2003. Bush was departing from a news conference with
his economic team. REUTERS/Rick Wilking

RTW/GN 

U.S. President George W. Bush boards Air Force One while carrying his dog
Barney at Andrews Air Force Base, Maryland April 16, 2003. Bush will travel
to St Loius and then on to Crawford, Texas. PP03050021 Pictures of the
month April 2003 REUTERS/Jason Reed

JIR/GAC 

U.S. first lady Laura Bush, accompanied Bush family dogs Spot (R), a Springer Spaniel and Barney, a Scottish terrier; is interviewed on CNN's "Larry King Live," April 18, 2001. The interview is scheduled to air on CNN later April 18.

SV/HB 

The President and first lady look down at their Scottish Terrier dog Barney after President George W. Bush came to the south portico of the White House to welcome Laura back home after her week in Texas, March 15, 2001. The President spent the weekend at their ranch home in Texas, but returned back to work at the White House on Monday. 

The President and first lady look down at their Scottish Terrier Barney after President George W. Bush came to the south portico of the White House to welcome Laura back home after her week in Texas, March 15, 2001. The President spent the weekend at their ranch home in Texas, but returned back to work at the White House on Monday.

KL/ME 

First pets Scottish terrier, Barney, left, and English Springer spaniel, Spot, play on the north lawn of the White House, January 23, 2001. Barney was a gift [from New Jersey Governor Christine Todd Whitman]. Spot is the offspring of former first dog Millie that was owned by Barbara Bush. 

Laura Bush, wife of President elect [George W. Bush], carries her Scottish Terrier Barney as she boards an Air Force jet for a flight to Midland before continuing to Washington January 17, 2001 for the Bush presidential inauguration. [The Bushes were to stop in Midland, Texas, their original home for a farewell sendoff on the way to Washington.] 

A Scottish terrier sits in front of the polling station in Pennan with Scottish flags in his collar, May 6. Scotland today goes to the polls to elect the country's first parliament since the Act of Union in 1707.

AS/ME 

Two Scottish terriers check out their famous look a like "Fala" at the Franklin Delano Roosevelt Memorial on December 5. The white terrier Mac (L), and the black terrier Mischief (R), were visiting the area from New Jersey. The unseasonably warm weather has brought visitors out during the holiday season.

LJM/JRE/CLH/