Marine Bioacoustics: The Sound of Water

Birds and animals make different sounds for different reasons — to attract a mate, to communicate or even set off an alarm. But why are scientists eavesdropping? Watch to learn more about the emerging field of bioacoustics.

Chilika in Odisha, India, is Asia's largest brackish water lagoon. Tourists are known to line up in the area for a glimpse of Chilika's Irrawaddy dolphins, who surface the lagoon only for a quick breath or a peek at their surroundings. Take an exclusive look into the lives of these elusive dolphins, and learn how the people around Chilika are trying to protect their star resident's population.

The Himalayan brown bears have not been seen in Kargil and Dras for over a decade. But several years after the war, they are slowly making a comeback. Researcher Niaz Khan sets out to study them and help local communities learn more about their often unwelcome neighbour.