The San Cristobal Mockingbird occurs only on San Cristóbal in the Galápagos. It uses habitats from the coast to higher ground, including dry woodland and farmland, and eats insects and fruit.
It has a gray-and-white body, a long tail, and a slightly curved bill. A black mask marks the face, and the breast is mottled; the juvenile breast is spotted.
It searches for food in dry woodland and farmland, eating ground-dwelling arthropods and fruit. The account also records small animals such as lizards and crabs.
An extinction-risk assessment has not been added yet.