5.Its teeth have been found stuck in the ribs of many unidentified whale species, as well as the tiny Piscobalaena, and even in a pinniped about the size of a sea lion.
6.This is also something done with ocean recording, where they're able to put out ocean recorders for a month to listen to mammalian communication with pinnipeds or whales or any of those things.
7.Finally, " transient" killer whales, each up to 8 metres in length, are found across both shallow and deep coastal waters and pursue marine mammals, including cetaceans (whales and dolphins), as well as pinnipeds (sea lions and seals).