Animal repellent system installed at Anaikatti park Updated: Updated: It can detect ground vibrations Share Article It can detect ground vibrations In a joint initiative by the Bannari Amman Institute of Technology (BIT) and the Nilgiri Biosphere Nature Park (NBNP), an animal repellent system based on the detection of ground vibrations, in real time, was installed recently at the park in Anaikatti, Coimbatore district. A press release said the technology was developed by a team of researchers at BIT. About eight units were installed at NBNP last month. The animal repellent system is equipped with a high-volume hooter to drive the animals away and is completely automated. The sensitivity level of the system can be adjusted to detect the ground vibrations generated by the footsteps of various animals ranging from cats to elephants, according to the release.