A rainforest katydid doesn’t talk like a mammal, or walk like a mammal, but it does hear with the first mammal-like, three-stage sound-sensing system known outside vertebrates.
LIKE A HUMAN A rainforest katydid from South America has independently evolved its own version of the three-step hearing process previously thought to be unique among vertebrates.
Log in
Subscribers, enter your e-mail address for full access to the Science News archives and digital editions.