New Delhi, March 4 -- The first population estimation of riverine dolphins in India has revealed the presence of 6,324 dolphins in the Ganga, Brahmaputra and Indus River systems, according to a ...

Despite their name, killer whales (orcas) are actually dolphins.

River dolphins are emblematic freshwater cetaceans whose conservation is integral to safeguarding riverine ecosystems worldwide. Their survival is increasingly threatened by a multitude of ...

How big they are: From 5 to 32 feet (1.5 to 10 meters) long, depending on the species Dolphins live in almost every ocean, except most tend to avoid the cold waters in the Arctic and around Antarctica ...