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 ...

IUCN Red List classifies the tucuxi river dolphin as endangered It’s official – all five of the world’s river dolphin species are now threatened with extinction after the IUCN Red List re-classified ...

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

The Atlantic humpback dolphin (Sousa teuszii) is among the poorest understood oceanic mammals. There is a lack of historical and present-day information about population size, habitats, ecology, and ...

This summer the Brookfield Zoo’s bottlenose dolphin habitat will reverberate with the chatty whistles and playful leaps of a new calf — the first expected to be born there in over a decade. On ...

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 ...