PROVINCETOWN, Mass. (AP) — Surveyors say a North Atlantic right whale mother and calf have been spotted in Cape Cod Bay for the first time this season.

The whales are the focus of conservation efforts because of their declining population. There are only about 411 of the marine mammals, and they’ve suffered high mortality and poor reproduction in recent years.

The Center for Coastal Studies in Provincetown says the mother and calf were seen Saturday by surveyors from the Northeast Fisheries Science Center. Surveyors in an airplane saw them again Sunday.

Read the full article by The Boston Herald here.