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Dolphins are marine mammals, together with whales and porpoises they are collectively known as cetaceans. Some dolphins live in rivers and estuaries.
- Hector's dolphin - Whale & Dolphin Conservation USA
The North Island subpopulation of Hector’s dolphin...
- Facts about whales - Whale & Dolphin Conservation USA
Whales are unique, beautiful, graceful and mysterious; they...
- Hector's dolphin - Whale & Dolphin Conservation USA
Top ten facts about dolphins. There are currently 42 species of dolphins and seven species of porpoises. Dolphins are marine mammals. They must surface to breathe air and give birth to live young. A dolphin pregnancy last between nine and 16 months.
Whales are unique, beautiful, graceful and mysterious; they nurture, form friendships, innovate, grieve, play, sing and cooperate with one another. Here are some extraordinary facts about whales and their lives in the oceans.
Whales are the largest animals on Earth and they live in every ocean. The massive mammals range from the 600-pound dwarf sperm whale to the colossal blue whale, which can weigh more than 200...
Whales roam throughout all of the world's oceans, communicating with complex and mysterious sounds. Their sheer size amazes us: the blue whale can reach lengths of more than 100 feet and weigh up to 200 tons—as much as 33 elephants. Despite living in the water, whales breathe air.
Here are some extraordinary facts about whales and their lives in the oceans. There are currently around 90 recognised species of whales, dolphins and porpoises; they are collectively known as ‘cetaceans’ or simply ‘whales’ .
1. Dolphins can be found all over the world and in different environments. There are 36 species of marine dolphins - living in nearly all aquatic environments, including oceans, coastal, estuarine and freshwater - and in temperatures ranging from less than 0°C to more than 30°C.
