River Dolphins In Danger

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Whats The Problem?

River dolphins are among the most endangered mammals. In South America, their habitats are often polluted or blocked by dams and they easily get caught in fishing nets.

Possible Solutions

Decrease the amount of fishing.

Pick up trash surrounding or in the river to help save a life

Do not litter in or around the river.

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How Has It Changed Overtime?

River dolphins has changed overtime by the size and shape of the skull. It has became larger which is an indication that the development of the fat pad in the lower java emerged. Dolphins has also changed overtime because they are eating the waste in the river that its decreasing the amount of dolphins that are living.
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Facts

River dolphins are cetaceans, which means that they are related to whales and porpoises. These mammals live only in rivers and waterways.