In 2009, a wildlife intelligence report had blamed 'radio collaring' for tiger deaths in Panna. It said that radio collaring compromised the overall security of the reserve. The report found that around 80% of tigers killed in Panna met their fate at the hands of poachers after they were radio collared.
The report said that radio collars restricted the movement of the animal for hunting its prey and free movement in the wild.
The radio-collar resulted in infections on the neck which later become fatal for the animal.
However, this may be because the standard operating procedures for radio-collaring were not followed. There are reasons to suggest that poachers may have also brought radio frequency catching devices to first locate the tiger and subsequently poach it.
Radio-collaring of tigers in Panna started in 1998. The wildcats were first tranquillized to tag collars. There were about 27 tigers till 2007 but later it was revealed that the reserve had no tigers left. The BNHS had slammed the report.
BNHS director Asad Rahmani told TOI that radio-collaring of big cats and other animals is an efficient method which is being used since 40 years. "Scientists have used radio-collaring and telemetry to study the ecology and behaviour of big cats. The results have been good," he said.
Radio-collaring never leads to poaching. There are several tiger sanctuaries in India where big cats have gone extinct even without the use of radio-collaring.
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