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Manatees are gentle and slow-moving; most of their time is spent eating 100 to 150 pounds of vegetation per day. Nicknamed the sea cow, the manatee is a mammal similar in size to a small whale, its natural habitat is off the coast of Florida. During the winter months, the large creatures spend time near natural warm springs. Newscom/File
Manatees gather to keep warm in the warm water discharged from the Florida Power & Light Riviera Beach power plant into the Intracoastal Waterway in Riviera Beach, Fla. on Jan. 5, 2010. Lannis Waters/The Palm Beach Post/AP/File
With its eyes closed, this gentle giant seems to be enjoying the attention of the little blue gill fish giving it a preen at Crystal River Reserve, Fla. on Feb. 25, 2010. Newscom/File
More than 100 manatees are stacked like cord wood as they find warmer waters at Blue Spring State Park in Orange City, Fla., on Jan.14, 2010. Wayne C. Hartley, Blue Spring Park service specialist, says he counted 217 manatees during a two-day statewide survey. Red Huber/Orlando Sentinel/AP/File
A manatee stays warm near the outlet where Florida Power & Light Company pipes warm the water at the power plant in Riviera Beach, Fla. on Jan. 7, 2010. Manatees need a minimum of 61 degrees F. water temperature to survive. Carlos Barria/Reuters/File
Snorkelers looking for a manatee encounter swim near a group of about 50 manatees huddled together in the Three Sisters Spring area in Crystal River, Fla., on Dec. 10. The Florida Fish and Wildlife Conservation Commission/Newscom
A Nov. 23 photo shows a canal and temporary water heaters at Port St. John, Fla., where manatees will stay warm at the Florida Power and Light power plant this winter. Ricardo Ramirez Buxeda/Orlando Sentinel/AP
A meandering West Indian manatee that experts say is up to 8 feet long and weighs about 1,000 pounds swims in a canal in Corpus Christi, Texas, on Nov. 9. Manatees often migrate to warm waters while looking for food; the last time one was seen in the Corpus Christi area was January 2007. Lee Harrison/AP
A sign warns boaters to watch out for manatees, which swim close to the surface and can easily be injured by propellers. Newscom/File
A manatee lifts up its prehensile snout to reveal its mouth. Manatees are believed to share a common ancestor with the elephant. Newscom/File
Members of Tampa's Lowery Park Zoo and the Florida Fish and Wildlife Conservation Commission prepare manatee 'TECO 2' for release in Apollo Beach, Fla. on Nov. 23. The zoo planned to release a total of three manatees back into the wild. Chris O'Meara/AP
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Algerian President Abdelaziz Bouteflika, believed to have suffered a stroke, has not made a public appearance in three weeks. The country must now prepare for their first leader from a generation too young to have fought for independence from France.
Three weeks after being rushed to hospital in Paris, Algerian President Abdelaziz Bouteflika has disappeared from sight, leaving behind a country preparing for a successor who for the first time will come from a generation too young to have fought in Algeria's war of independence against France.
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