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 ...

Learn how changes in dolphin vocal frequency and duration may reveal engagement during training, feeding, and play.

Dolphins produce a range of vocalizations used for echolocation and communication. These vocalizations vary with social ...

River Dolphins River dolphins have access to food that dolphins in the ocean do not. The Indus River dolphin eats freshwater fish such as catfish and carp, as well as clams and shrimp. The Amazon ...

A trio of rare marine species was recently spotted off the coast of Thailand, photos show. The elusive sea creatures — two types of dolphin and one sea turtle — were observed during an April survey in ...

Three rare marine species were recently spotted off the coast of Thailand during a survey, photos show. Photo from the Thai Department of National Parks, Wildlife and Plant Conservation A trio of rare ...