Much like humans, dolphins primarily use sound to convey information to one another. The sound is described as "whistling" by the Dolphin Research Center. Dolphins use visual cues and body language to communicate althoug... More »

www.reference.com Pets & Animals Mammals Marine Mammals

Whales and dolphins communicate underwater by making different sounds that include chirps, clicks, barks, moans, yaps, squeaks, mews and whistles. It is not known whether dolphins and whales communicate with one another ... More »

Dolphins communicate vocally through a series of high-pitched clicks and whistles. Dolphins are also thought to employ body language, physical communication and a process known as echolocation in order to communicate wit... More »

Sharks, killer whales and humans are the primary eaters of dolphins. Dolphins are near the top of the food chain and employ many defensive strategies, so they are not often eaten by predators. More »

www.reference.com Pets & Animals Mammals Marine Mammals

Whales and dolphins communicate underwater by making different sounds that include chirps, clicks, barks, moans, yaps, squeaks, mews and whistles. It is not known whether dolphins and whales communicate with one another ... More »

According to the National Marine Life Center, dolphins move by pushing their powerful tail flukes up and down in the water. This tail movement pushes water back and propels the dolphin forward. To steer through the water... More »

Baby dolphins, or calves, are approximately 3.8 feet long and weigh around 40 pounds. Baby dolphins gestate for a period between 9 and 17 months, depending on the species. Calves are born live in shallow water and quickl... More »