S Theodore Baskaran has raised many dogs, including two Indian breeds. He has been associated with the Kennel Club of India, Chennai, and was a member of the show committee. He was instrumental in bringing out a set of four postage stamps on indigenous breeds of dogs. Baskaran is a well-known naturalist and conservationist. He served two terms as a trustee of WWF India and has been an honorary wildlife warden in Chennai. His book The Dance of the Sarus: Essays of a Wandering Naturalist was published in 1999. He edited a book on Indian wildlife, The Sprint of the Blackbuck. He writes frequently on conservation for The Hindu and Frontline. He has also contributed to important anthologies such as An Anthology of Indian Wildlife, Waterlines: Rivers of India and Voices in the Wilderness.