Prehistoric whale reveals extreme skull asymmetry

Sperm whales and pygmy sperm whales are known among mammals for their unusually shaped heads. Unlike most vertebrates, which are bilaterally symmetrical, toothed whales have asymmetrical skulls that accommodate highly specialized organs used for echolocation and sound production. This story matters for Science & Discovery readers tracking student. Reported by phys.org. Read the full original at the source link below.