Cetaceans marine mammals that includes baleen whales and toothed whales. This profile explores basic facts about cetaceans including how they are classified, what they eat, where they live and the characteristics that make them different from other mammal groups.
Facts About Dolphins
Learn interesting facts about dolphins and find out about the characteristics make them different from other mammal groups, their life cycle and their evolutionary history.
Understanding Whale Behavior
Whales, dolphins and porpoises, collectively referred to as cetaceans, are difficult to observe in the wild. They spend most of their time fully submerged and without a boat, an oxygen tank, and diving certificate, you're bound to miss out on the majority of their activities.
The magnificent blue whale is our planet's largest animal, reaching lengths of 66 to 98 feet and weights of 110 to 176 tons. Blue whales belong to the group of whales know as the baleen whales.
The bottlenose dolphin belongs to the Family Delphinidae, the largest family of Cetaceans which includes killer whales, pilot whales, and other dolphins.
The dusky dolphin is a medium sized dolphin, growing to lengths of 5.5 to 7 feet and weights of 150 to 185 pounds. It has a sloping face with no dominant beak nose. It is dark gray (or dark blue-gray) on its back and white on its belly.
Orcas, also known as killer whales, belong to the Order Cetacea, a group of marine mammals that includes whales and dolphins.
The Irrawaddy dolphin inhabits coastal waters, brackish estuaries and freshwater rivers in Australaisia and Southeast Asia. This endangered dolphin is pale gray and grows to lengths of 2-2.75 meters. It has a round head and no beak and is occassionally mistaken for a beluga whale or a porpoise.