Japanese River Otter - Efforts To Prove Its Existence

Efforts To Prove Its Existence

Throughout the 1990s, there were several attempts to locate a surviving Japanese river otter.

In December 1991, the Environmental Agency of Japan in partnership with the Kochi prefectural government assembled a research team of experts and began their search. In March 1992, the research group found hair and excrement in Kochi Prefecture and believed to have come from an otter. Also found were three footprints, and ten additional excrement samples. After an analysis of a cross-section of the hair, the researchers determined that it came from an otter. An official from the agency's wildlife protection section stated that the hair was "scientifically solid evidence that confirms the existence of the Japanese Otter."

In 1994, zoological experts visited the area where the excrement was found. They discovered remains of the animal's urine, which the animal is believed to leave during its courtship. The prefectural government of Kochi set up an infrared camera for six months from October 1994 to April 1995 in an effort to capture it on film, but all that was recorded were animals such as raccoon dogs.

Between 4 and 9 March 1996, a group of zoo officials, municipal government officials and animals lovers from across the country searched for the river otter in the areas where finds have been made in the past. Such areas included coastal areas in Susaki, areas along the Niyodo River running through Sakawacho and Inocho, and coastal areas along Shimanto River. No evidence of the animal's existence was found.

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