Dolphin Facts - National Geographic
网页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.
Dolphin | Facts & Pictures | Britannica
网页3 天之前 · 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.
Dolphin - Wikipedia
网页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 and information - Whale & Dolphin Conservation …
网页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. The mother feeds her offspring on milk.
Dolphin Facts: Habitat, Behavior, Diet - ThoughtCo
网页2019年12月13日 · 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.
27 Fascinating Dolphin Facts - Fact Animal
网页The dolphin is a small to medium-sized marine mammal, which are found all over the world, generally in warmer waters. They usually inhabit shallow seas and continental shelves.
Here are our top 10 facts about dolphins - WWF
网页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 …
Dolphin Facts, Types, Classification, Habitat, Diet, Adaptations
网页Dolphins are aquatic mammals of the infraorder Cetacea that constitutes five families, including oceanic dolphins, the Indian river dolphins, brackish dolphins, the New World river dolphins, and the extinct Chinese river dolphins.
Dolphin - Description, Habitat, Image, Diet, and Interesting Facts
网页Everything you should know about the Dolphin. Dolphin is a family of marine mammals, of which there are a number of species.
Dolphin Facts
网页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 …