52-hertz whale
52 Hertz whale is the name that was given to an individual whale who sings on a characteristic frequency of 52 Hertz for him, a much higher frequency than the other whales. Presumably it is the only specimen with such a high whale song. We call this animal therefore known as " the loneliest whale in the world".
Special
The Tonsignatur is a whale, but in an unusual frequency. At 52 Hz it is only slightly higher than the lowest note of a tuba. The sound result is not that of a blue whale or fin whale - it is shorter and more frequent, and at a higher frequency. Blue whales typically sing at 15-20 Hz, fin whales at 20 Hz
The Wanderings of 52 Hertz whale is independent of the movement and presence of other whales. However, they are similar to those of blue whales, with respect to their temporal sequence to those of fin whales. For years the animal was registered from August to December in the Pacific, as it apparently was in January and February out of the reach of the hydrophones. It wandered up to the Aleutian Islands and the Kodiak Archipelago and came south to the coast of California, where it between 30 and 70 kilometers laid daily. The recorded route fluctuated seasonally between 708 km and 11,062 km in the season 2002/2003.
Scientists at the Woods Hole Oceanographic Institution were previously not able to identify the animal. They speculate that it is a body disabled animal or a hybrid between a blue whale and another species.
The voice of the animal was somewhat lower since 1992, suggesting that it is grown. The fact that it has so long been observed and has continued to grow, indicates good health. Nevertheless, the whale remains an isolated case, since only one animal per season could be located by such a voice.
History
The whale was discovered by a team from the Woods Hole Oceanographic Institution. His call sign was first in 1989 and then again recorded in 1990 and 1991. In 1992, after the end of the Cold War, the U.S. Navy has released some footage and specifications of its SOSUS anti - submarine hydrophone arrays on the secrecy and thus made the recorded data accessible to researchers. From 1992 to 2004, the 52 -Hertz whale song with this noise monitoring system has been demonstrated on a regular basis.