AOL

250-million-year-old mammal ancestor could hear sounds long before modern mammals evolved

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 ...
World Wildlife Fund (WWF)

Eerie wildlife sounds

Noises, whether the creak of a door or the whistle of the wind, are perfect ways to settle into spooky season. In an ...
National Academies of Sciences%2c Engineering%2c and Medicine

Low-Frequency Sound and Marine Mammals: Current Knowledge and Research Needs

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 ...

A Biologist Spotlights The Strangest Mammal On Earth. Hint: It Lays Eggs And ‘Sweats’ Milk

This semi-aquatic mammal may look improbable, but its biology reveals how evolution shapes even the strangest mammal bodies.
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250-million-year-old mammal ancestor could hear sounds long before modern mammals evolved

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 ...