Bones, ivory, and flesh are found on higher ground, such as in yedomas and on Arctic islands. (The preceding paragraphs explains why mammoth remains are found in yedomas.) Prey and predator may also have sought protection from the greater common enemy—rising waters from rain that preceded the muddy hail, and noxious gases evaporating from the hail. Larger animals, such as mammoths and rhinoceroses, in rushing to higher ground, crushed and buried smaller animals in mud and ice.