Nisarg currently works along the Cauvery, on otters and factors that might affect their presence along the 330 km stretch of river in Karnataka. But this work actually started along the streams in the Anamalais where he spent a good 2 years, happily sauntering, day or night, rain or shine, looking for otters, leopards and learning to wrongly identify rainforest trees.He is also NCF’s official troublemaker (nods in agreement) when not in field.