WHOI biologist Darlene Ketten checks CT images of the head of a rare whale during her physical dissection of the head in the WHOI necropsy facility. Ketten, a global expert on marine mammal ears and hearing abilities, examined the heads of two True’s beaked whales that stranded on beaches in January 2014. Meanwhile, researchers at Riverhead Foundation on Long Island, where the whales stranded, carried out necropsies on the whales’ bodies. (Ken Kostel, Woods Hole Oceanographic Institution)

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WHOI biologist Darlene Ketten checks CT images of the head of a rare whale during her physical dissection of the head in the WHOI necropsy facility. Ketten, a global expert on marine mammal ears and hearing abilities, examined the heads of two True’s beaked whales that stranded on beaches in January 2014. Meanwhile, researchers at Riverhead Foundation on Long Island, where the whales stranded, carried out necropsies on the whales’ bodies. (Ken Kostel, Woods Hole Oceanographic Institution)