A minke whale has been spotted more than 1600km (994 miles) from the Atlantic Ocean, deep inside the Amazon rain forest.The whale ran aground earlier this week but after being freed with the help of vets and biologists it disappeared shortly afterwards. It is the second time this week in Brazil that a lost animal has been spotted in an unexpected location.The minke whale ran aground on a sandbar deep inside the Amazon. Local people had been splashing water on the whale’s back and fin while it was exposed to the hot Amazon sun. The whale is said to weigh about 12 tons and measured 5.5m in length. Reports of a mysterious animal in the area had been causing alarm among locals near to the Tapajos river, a tributary of the Amazon. Brazilian experts say the animal could have been in the area for a couple of months.