Volunteers at a protected Cape Cod nesting site found a rare diamondback terrapin hatchling with two heads; the tiny turtle weighed about as much as a nickel and is now being monitored by wildlife veterinarians

• According to Mass Audubon’s Wellfleet Bay Wildlife Sanctuary, the unusual hatchling was one of the surprises during the sanctuary’s terrapin nesting season and was taken to a licensed wildlife rehabilitation facility for care and monitoring.