BBC4 年
How do different animals hear?
In this video, learn about sound waves and how different animals, like dogs and owls, use their excellent hearing to survive. Follow me please class. In this lesson, we’re going to be learning ...
BBC4 年
How do different animals communicate using sound?
Stay close please children. In this lesson, we’re going to learn about how different animals communicate using sound, and not just any sound, ultrasound. Sounds are made up of invisible waves ...
10 shocking animal noises that prove the world is an incredible place
Eric Bgin on FlickrThe animal kingdom is a cacophony of grunts, growls, whistles, squeaks, and other noises that sound utterly crazy to the human ear but are essential to animals survival. We know ...
Newspoint on MSN3 天
From Bats to Whales: The Top 5 Animals That Hear Ultrasonic Sounds
Ultrasonic sounds are high-frequency sound waves that exceed 20,000 hertz, a range far beyond what the human ear can detect.