This cutting-edge experiment reveals how owls can sneak up on their prey. An owl flies over a series of super-sensitive microphones, and the scientists expect the decibel waveform shows the sound being generated by the birds in flight. However, the microphones pick up nothing.
The Secret Lives of Snow Leopards
One of the world's most fascinating big cats, the snow leopards (Panthera uncia), are also one of the most elusive and difficult to see.