Underwater whale
A North Atlantic right whale swimming just below the surface, out of sight from vessels that are not right on top of them.
Credit: Susan Parks
Image: Penn StateCopepod
Magnified image of a copepod, the North Atlantic right whale's preferred food in Cape Cod bay.
Credit: Joe Warren, Stonybrook University
Image: Penn StateNearwhale
A North Atlantic right whale swimming near the shore in Provincetown, Mass.
Credit: C. Hotchkin
Image: Penn StateTagging
Researchers place a suction cup, digital acoustic recording tag on the back of a North Atlantic right whale.
Credit: C. Hotchkin
Image: Penn State
















