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 ...

There’s been a 140-year debate about whether two dolphin types most commonly seen in the waters off Southern California are related. Now, researchers affiliated with the National Oceanic and ...

Off the coast of British Columbia, killer whales are tailing dolphins, and both seem to be rewarded with fishy meals. But not everyone is convinced it's teamwork—and the behavior may hint at other oce ...

Biologists discovered killer whales and dolphins working together to hunt salmon, a behavior never before documented in this ...

Dolphins live in all the world’s oceans and even some of the largest freshwater rivers. Like whales, they’re considered cetaceans, or marine-dwelling mammals. There are four main families of dolphins, ...

Eleanor has an undergraduate degree in zoology from the University of Reading and a master’s in wildlife documentary production from the University of Salford. Eleanor has an undergraduate degree in ...

Pink dolphins are an indicator species of the Amazon river, scientists say. Swimming with the piranhas and anacondas below the surface of the Amazon River in Bolivia is a rare species: pink, ...

If you ask anyone what a dolphin eats, you’ll probably get the same answer: fish! After all, fish are abundant in all the different waters where dolphins live. However, dolphins are opportunistic ...