3D models of the jaw and associated middle ear bones of the Triassic mammal ancestor "Thrinaxodon" show that the switch to mammal-like hearing with an eardrum evolved much earlier than previously ...

Unfortunately, this book can't be printed from the OpenBook. If you need to print pages from this book, we recommend downloading it as a PDF. Visit NAP.edu/10766 to get more information about this ...

On discs: Library of Natural Socuds, Cornell Laboratory of Ornithology, in association with Conservation International. On cover of accompanying pamphlet: Sounds of ...

When confronted with recordings of human voices, 19 species fled instantly, while they were less frightened by lion sounds and other potentially threatening recordings. By Lesley Evans Ogden Panting ...

You are looking at one of the most important sensory shifts in mammal history: the rise of sensitive hearing. Modern mammals rely on a middle ear with an eardrum and tiny bones that detect faint ...