Dolphin Facts

Dolphins are marine mammals that belong to the order Cetacea.

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Dolphin Information

Interesting Information About Dolphins. Habitat, distribution, feeding, reproduction, anatomy and more.

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Types of Dolphins

There are 36 species of dolphins found in the world.There are 32 marine dolphins, and 4 river dolphins.

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Dolphin Conservation

Dolphins may be well loved by many humans, but they are also at risk due to the efforts of humans.

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Dolphin Facts Main

Dolphin Information

Dolphin Information, Anatomy, Feeding, Communication, Reproduction, Predators,Echolocation,
Language and Conservation. Bottlenose Dolphins, Spinner Dolphins, Amazon Pink Dolphins.

Introduction to Dolphins

Dolphins are very intelligent and they seem to be well loved by humans. This aquatic mammal has been able to fascinate us in a variety of ways. They are curious, form strong bonds within their pod, and they have been known to help humans in a variety of circumstances including rescues and with fishing.

There are 36 different species of dolphins that have been recognized. 32 of them are marine dolphins which are those that we are the most aware of and 4 of them are river dolphins. It can be very interesting to look at each of these species uniquely versus dolphins as a whole.

They are very entertaining due to the leaps that they make out of the water. Some of them leap up to 30 feet in the air as they do so. They have to come to the surface to for water at different intervals to get air. This can be from 20 seconds to 30 minutes between when they get air. The body of the dolphin is grayish blue and the skin is very sensitive to human touch and to other elements that could be in the water.

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Tursiops truncatus, Bottlenose Dolphin

Even though dolphins have 100 teeth, they don’t use them for eating. They do use them to get the fish though and then they swallow them. They can consume up to 30 pounds fish per day. They usually work as a team in their pod to get the school of fish surrounded and balled up. From there, they can plow through the middle and eat plenty as they do so.

They take turns doing this so that all that participated get to dine on the fish. This is just one of the many different types of feeding strategies that they may take part in. They do what is necessary to get the food for the pod members. It can include jumps, zig zag patterns, circles, and a combination of efforts to get the job done.

“Dolphins have been interacting with humans for as long as we have known of their existence”.

Most of the species of dolphins live in saltwater but there are some that are able to do well in the freshwater locations. They are mainly found in the freshwater of the Amazon River. They are easily seen by humans as they tend to stick to the swallow locations of the water.

It is amazing the difference in size of the various species of dolphins. The larger ones can weigh about 11 tons and be close to 30 feet long. The smaller ones are about 90 pounds and 4 feet long. Between those two spectrums you will find all weights and lengths. The species as well as their location play a huge role in their overall size.

The body of a dolphin is designed to help them move through the water quickly and without exerting huge amounts of energy. They rely on their pectoral fins and the fluke (tail) to help them navigate through the water.

Through extensive research, echolocation has been identified as a key element of dolphin life. It allows them to communicate in the water by identifying sound waves. It is a complex ability that stems from the melon that is located in the head of a dolphin. All dolphin species have a blowhole.

Dolphins have very good vision, and they are able to see what is around them both in the water and when they are above the surface of it. They have excellent hearing too, with the ability to hear about 10 times better than humans. The sense of smell isn’t well developed for them though. The sense of touch is very sensitive for dolphins and they use it for bonding within their pods. They rely on a combination of their senses to avoid danger, to find food, and to socialize.

Even though we have plenty of information about dolphins today, there are plenty of questions that remain about their past. There are theories of evolution and even some fossil remains that have surfaced to give clues. It is believed that millions of years ago the dolphins were much smaller than they are today. Many experts also believe that echolocation is a result of the evolution process. Only time and advances in technology though will help us to get definite answers about the evolution of dolphins.

The future is at risk for the various species of dolphins though due to habitat destruction, problems finding food, pollutants in the water, and even injuries or death due to getting tangled up in fishing nets or hitting boats in the water. There are conservation efforts in place out there to help protect them so that they can have a very good future. The average lifespan for a dolphin in the wild is 17 years. However, some have been documented to live to the age of 50!

Dolphins have been interacting with humans for as long as we have known of their existence. During this time, their more dangerous predator and the only one that have dramatically reduced dolphin population is the human.

Even though we all agree that Dolphins are wonderful creatures that seem to be extremely intelligent and friendly, we still are a huge threat for dolphins. This site is a tribute for dolphins, those great animals which everybody likes, but most know so little about them.

A deeper knowledge and further information about dolphins is definitively the first step towards better conservation and understanding of these wonderful mammals. Besides, the information is the weapon and our little contribution to fight dolphin killing and habitat damage.

Trying to provide unique and different information about Dolphins, we have classified our articles into singular and uncommon categories like “dolphin way of life”, which includes the information about daily dolphin activities, for example “what do dolphins eat?” or “social relationships”, among others.

Regarding the main survival activities, you will find detailed information about dolphin reproduction, the way they hunt and how they communicate. Atht he anatomic level, a detailed analysis about the technique called echolocation, their basic anatomy and physiology.

The section related to humans is devoted to the relationship between dolphins and humans, including articles which describe human-dolphin encounters like the incredible rescues of humans by dolphins and how dolphins have impacted our culture reflecting this influence in movies, books and many other ways of expression that have existed for centuries and were recorded in ancient cultures at the extend that they were included in Greek and Roman mythology.

Finally, the section dolphins for kids has been developed thinking in little kids, trying to provide them with basic information about dolphins through educative activities like puzzles, coloring pages or how to draw a dolphin with the idea to make kids aware of dolphin conservation in a funny way.


Facts about Dolphins

Facts about Dolphins 1. Dolphins are mammals; they nurse their young from mammary glands.

2. Dolphins can swim up to 260 m. below the surface of the ocean, although they are mainly shallow divers.

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Where do Dolphins live?

Where do Dolphins live? Dolphins live in the ocean, but there are also a few species living in rivers.

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Dolphins for Kids

Dolphins for Kids Fun activities for kids like coloring pages, paint by number and even interesting e-jigzaws.

There is also a facts for kids page.

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Bottlenose Dolphin Facts Video

Dolphin Pictures

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Dolphin Species

Family Delphinidae, Oceanic Dolphins

Genus Delphinus

Long-Beaked Common Dolphin, Delphinus capensis

Short-Beaked Common Dolphin, Delphinus delphis

Genus Tursiops

Common Bottlenose Dolphin, Tursiops truncatus

Indo-Pacific Bottlenose Dolphin, Tursiops aduncus

Burrunan Dolphin, Tursiops australis (discovered in 2011)

Genus Lissodelphis

Northern Rightwhale Dolphin, Lissodelphis borealis

Southern Rightwhale Dolphin, Lissodelphis peronii

Genus Sotalia

Tucuxi, Sotalia fluviatilis

Costero, Sotalia guianensi

Genus Sousa

Indo-Pacific Hump-backed Dolphin, Sousa chinensis

Chinese White Dolphin, Sousa chinensis chinensis

Atlantic Humpbacked Dolphin, Sousa teuszii

Genus Stenella

Atlantic Spotted Dolphin, Stenella frontalis

Clymene Dolphin, Stenella clymene

Pantropical Spotted Dolphin, Stenella attenuata

Spinner Dolphin, Stenella longirostris

Striped Dolphin, Stenella coeruleoalba

Genus Steno

Rough-Toothed Dolphin, Steno bredanensis

Genus Cephalorhynchus

Chilean Dolphin, Cephalorhynchus eutropia

Commerson’s Dolphin, Cephalorhynchus commersonii

Heaviside’s Dolphin, Cephalorhynchus heavisidii

Hector’s Dolphin, Cephalorhynchus hectori

Genus Grampus

Risso’s Dolphin, Grampus griseus

Genus Lagenodelphis

Fraser’s Dolphin, Lagenodelphis hosei

Genus Lagenorhynchus

Atlantic White-Sided Dolphin, Lagenorhynchus acutus

Dusky Dolphin, Lagenorhynchus obscurus

Hourglass Dolphin, Lagenorhynchus cruciger

Pacific White-Sided Dolphin, Lagenorhynchus obliquidens

Peale’s Dolphin, Lagenorhynchus australis

White-Beaked Dolphin, Lagenorhynchus albirostris

Genus Orcaella

Australian Snubfin Dolphin, Orcaella heinsohni

Irrawaddy Dolphin, Orcaella brevirostris

Genus Peponocephala

Melon-headed Whale, Peponocephala electr

Genus Orcinus

Killer whale (Orca), Orcinus orca

Genus Feresa

Pygmy Killer Whale, Feresa attenuat

Genus Pseudorca

False Killer Whale, Pseudorca crassidens

Genus Globicephala

Long-finned Pilot Whale, Globicephala melas

Short-finned Pilot Whale, Globicephala macrorhynchus

 

River Dolphins

Family Platanistidae

Ganges and Indus River Dolphin, Platanista gangetica

Ganges River Dolphin (or Susu), Platanista gangetica gangetica

Indus River Dolphin (or Bhulan), Platanista gangetica minor

Family Iniidae

Amazon River Dolphin (or Boto), Inia geoffrensis

Family Lipotidae

Baiji (or Chinese River Dolphin), Lipotes vexillifer

Family Pontoporiidae

La Plata Dolphin (or Franciscana), Pontoporia blainvillei

Frequently Asked Questions about Dolphins

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