

The first family's dog, Bo, waits to board Air Force One in Cape Cod on Martha's Vineyard, Mass., on August 30, 2009, en route to Washington, D.C. Bo Obama marked his first anniversary of living with the Obamas in the White House on April 14. Jewel Samad/AFP/Getty Images/Newscom/FILE
President Obama, first lady Michelle, daughters Malia and Sasha (not shown) and mother-in-law Marian Robinson walk towards the South Lawn of the White House with Bo Obama ahead of the annual Easter Egg Roll on April 5. Charles Dharapak/AP
A young Bo Obama is seen here in Texas at his breeders when he was about 6 weeks old. Bo officially arrived at the White House on April 14, 2009, as a gift from the late Sen. Ted Kennedy to the Obama family. Art & Martha Stern/AP/FILE
Bo Obama in Hawaiian-themed accessories is seen at the White House in Washington. Pete Souza/The White House/AP/FILE
President Obama runs with Bo, a Portuguese water dog seen here at 6 months, down a corridor in the White House on April 14, 2009. Pete Souza/The White House/Reuters/FILE
Bo Obama sticks his tongue out on the South Lawn of the White House on April 14, 2009. Larry Downing/Reuters
Malia Obama runs with Bo, President Obama, and Sasha on the South Lawn of the White House on April 14, 2009. Ron Edmonds/AP
On April 20, 2009, President Obama plays with the new family dog, Bo. Pete Souza/White House/Sipa Press/Newscom/FILE
Bo Obama rides in the White House staff helicopter en route to Martha's Vineyard on Aug. 23, 2009. Pete Souza/The White House/PSG/Newscom/FILE
Ahead of Christmas, on Dec. 3, Bo Obama waits near a Christmas tree in the Diplomatic Reception Room of the White House. Newscom/FILE
First Lady Michelle Obama walks Bo on the South Lawn of the White House on Sept. 26, 2009. Yuri Gripas/Reuters
Bo is seen at West Tisbury Airport in Martha's Vineyard, Mass., on Aug. 23, after arriving with the Obama family for vacation. Jason Reed/Reuters
Malia Obama looks at a card with the photograph of the family dog, Bo, on the front while working with volunteers and members of Congress to stuff backpacks with books and food during a United We Serve event at Fort McNair on June 25, 2009. Newscom/FILE
President Obama pets Bo in the Outer Oval Office at the White House on Oct. 29, 2009. Newscom/FILE
Bo Obama's official White House portrait is seen here, taken in May 2009. Chuck Kennedy/White House/Sipa Press/Newscom/FILE
Bo Obama relaxes in the Blue Room as first lady Michelle Obama greets young visitors touring the White House on the anniversary of the inauguration on Jan. 20, 2010. Newscom/FILE
During his birthday celebration in the Rose Garden of the White House on Oct. 9, Bo eats treats off the table. Pete Souza/UPI/The White House/Newscom/FILE
Malia (l.) and Sasha Obama play with the Bo as they wait for the Marine One helicopter to land on the South Lawn of the White House. President Obama was returning from a trip to Ohio and Pennsylvania in September 2009. Nicholas Kamm/AFP/Newscom/FILE
Bo Obama plays in the snow during a blizzard in Washington on Feb. 10. Pete Souza/White House/Newscom/FILE
President Obama plays football with Bo on the South Lawn of the White House on May 12, 2009. Newscom/FILE
Brian Mosteller, deputy director of Oval Office operations attempts to protect his shoes as he plays with the Obama family dog, Bo, in the Cabinet Room of the White House on April 21, 2009. Pete Souza/White House/Sipa Press/Newscom/FILE
Bo Obama sits in the snow outside the Brady Briefing Room of the White House on Dec. 19 in Washington as a huge snowstorm hit the region. Mandel Ngan/AFP/Getty Images/Newscom/FILE