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May 29, 2024 · dolphin, any of the toothed whales belonging to the mammal family Delphinidae (oceanic dolphins) as well as the families Platanistidae and Iniidae, the two that contain the river dolphins. Of the nearly 40 species of dolphins in the Delphinidae, 6 are commonly called whales, including the killer whale and the pilot whales.
Dolphins. Dolphins are small-toothed cetaceans easily recognizable by their curved mouths, which give them a permanent “smile.”. There are 36 dolphin species, found in every ocean. Most ...
Dec 13, 2019 · Laura Klappenbach. Updated on December 13, 2019. Dolphins ( Odontoceti) are a group of 44 species of toothed whales or cetaceans. There are dolphins in every ocean on Earth, and there are freshwater species of dolphins that inhabit rivers in South Asian and South American.
A dolphin is an aquatic mammal in the clade Odontoceti ( toothed whale ). Dolphins belong to the families Delphinidae (the oceanic dolphins), Platanistidae (the Indian river dolphins ), Iniidae (the New World river dolphins), Pontoporiidae (the brackish dolphins), and possibly extinct Lipotidae (baiji or Chinese river dolphin).
Dolphin Facts Overview. All oceans, seas and many rivers. Fish, squid. Some species like Killer Whales might eat seals & turtles & other marine mammals. The 40 different species can be found in a vast geographic region, which makes it very difficult to estimate the current population of dolphins.
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. The mother feeds her offspring on milk. The sons and daughters of resident orcas stay with their maternal family for life. Dolphins eat fish, squid and crustaceans.
Dolphin Facts. Dolphins are incredibly intelligent, social, wide-ranging and deep-diving marine mammals. They live in complex social groups called pods, often made up of family members. In the wild, dolphins are very interconnected to the health and survival of the entire marine ecosystem.
