MAPT and Alzheimer disease: Moreover, 5 animals, three aged long-finned pilot whales (Globicephala melas; family Delphinidae; deep-diver), one adult white-beaked dolphin (Lagenorhynchus albirostris; family Delphinidae; shallow-diver), and one aged bottlenose dolphin (Tursiops truncatus, Family Delphinidae; shallow-diver), had developed signs of AD-like pathology with amyloid plaques and/or intracellular granular phosphorylated-tau labelling, neuritic plaques, and in one long-finned pilot whale, inclusions resembling NFTs and neuropil threads.