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River Dolphin


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River Dolphin
River Dolphin
River Dolphin
River Dolphin
River Dolphin
There are only four species of river dolphin still existing in river, lakes and estuaries in certain parts of the tropical Southern Hemisphere. River dolphins are also known as freshwater dolphins with one species however inhabiting saltwater estuaries known as the La Plata dolphin.

The Amazon river dolphin (Boto or Pink river dolphin) is found in the Amazon river and the joining rivers, with the Amazon river dolphin being the largest species of freshwater dolphin. The Amazon river dolphin feeds on crabs, fish and catfish and is rarely hunted by animals other than humans.

The Ganges river dolphin (Indus River Dolphin) is found in Bangladesh, India, Nepal and Pakistan. The Ganges river dolphin is primarily found in the Ganges and Brahmaputra Rivers and their joining rivers in India, Bangladesh and Nepal. The Ganges river dolphin has long teeth that can be seen even when the dolphins mouth is closed.

The Chinese river dolphin (Baiji) was once found only in the Yangtze River in China but sadly said to have become extinct in 2006.

Some river dolphins are thought to be blind, but other river dolphins still possess incredibly poor eye sight and many are therefore killed when accidentally coming into content with fishing boats and nets. Like other species of dolphin, the river dolphins hunt and communicate using echolocation, a process which involves the detection of low frequency waves that are emitted by all the living things.

River dolphins are mainly found in darker, slow-moving waters but are known to venture into grasslands and underwater forests during the flood seasons. It is now, when the water is at the highest level that the baby river dolphins are born underwater.

River dolphins have a long, narrow beak and flexible neck which helps them to catch prey quickly and enables the river dolphins to turn quickly and more easily in the water. River dolphins are normally found on their own or in pairs but large groups of river dolphins will often come together to feed.


River Dolphin Comments (34)

grace

"this really helped me with my reasearch at school"

why do ya wanna know

"this wesite hlped me with my reasearch just on thing i wanna know is how they give birth and how many babies do they have/"

grace

"this really helped me with my reasearch at school"

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River Dolphin Facts

Kingdom:
Five groups that classify all living things...
Animalia
Phylum:
A group of animals within the animal kingdom...
Chordata
Class:
A group of animals within a pylum...
Mammalia
Order:
A group of animals within a class...
Cetacea
Family:
A group of animals within an order...
Platanistoidea
Genus:
A group of animals within a family...
Platanistidae
Scientific Name:
Comprised of the genus followed by the species...
Platanistoidea
Type:
The animal group that the species belongs to...
Mammal
Diet:
What kind of foods the animal eats...
Carnivore
Size:
How long (L) or tall (H) the animal is...
2-2.5m (72-98in)
Weight:
The measurement of how heavy the animal is...
100-200kg (220-440lbs)
Top Speed:
The fastest recorded speed of the animal...
30km/h (18mph)
Life Span:
How long the animal lives for...
12-18 years
Lifestyle:
Whether the animal is solitary or sociable...
School
Conservation Status:
The likelihood of the animal becoming extinct...
Endangered
Colour:
The colour of the animal's coat or markings...
Grey, Pink
Skin Type:
The protective layer of the animal...
Smooth
Favourite Food:Fish
Habitat:
The specific area where the animal lives...
Large tropical rivers and estuaries
Average Litter Size:
The average number of babies born at once...
1
Main Prey:
The food that the animal gains energy from...
Fish, Prawns, Frogs
Predators:
Other animals that hunt and eat the animal...
Human
Special Features:Long, narrow beak and flexible neck

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