Fin whale underwater. The fin whale is the second longest and sixth most massive animal ever, reaching lengths of 88 feet.
Species: Fin whale, Balaenoptera physalus
Image ID: 27596
Male humpback whale with head raised out of the water, braking and pushing back at another whale by using pectoral fins spread in a "crucifix block", during surface active social behaviours.
Species: Humpback whale, Megaptera novaeangliae
Location: Maui, Hawaii
Image ID: 04104