what experiment did maxwell think camusfearna would be suitable for

Maxwell thought Camusfearna would be suitable for the "experiment" of keeping an otter as a pet. After the death of his dog, he decided to keep an otter instead, and Camusfearna, being ringed by water at a very short distance, was ideal for this because otters live mainly in water. Thus, the environment of Camusfearna made it a suitable spot for this experiment of keeping an otter