I believe that they endangered and also they are a water mammal which is rare. Also they have a high intelligence and have known to help mankind.
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hearing
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Sound is useful for dolphins to stay with their pack and hear fellow dolphins shout alarums, but sight is also important for finding the surface and escaping said danger.
The Aleuts came to the island in "Island of the Blue Dolphins" for hunting sea otters, as the otter pelts were valuable for trading.
Because people are selfish, careless, and only care about money. The Japanese even kill dolphins because they believe dolphins or f**king pests, I mean What the f**k?
The resolution of "Island of the Blue Dolphins" sees Karana rescued after years of isolation on the island. She is finally able to leave and start a new life after learning valuable lessons about survival, resilience, and the importance of family and community.
The hunter who hunted otters in "Island of the Blue Dolphins" was Captain Orlov. He is a Russian sea otter hunter who comes to the island to hunt otters for their valuable fur. Karana, the main character, tries to protect the otters from him.
The abalones needed to be guarded on the Island of the Blue Dolphins because they were a valuable food resource for the island's inhabitants. Protecting the abalones ensured that there would be enough food to sustain the island's population, especially during times of scarcity or famine.
only one species of dolphins at this time that are going extinct are the pink river dolpinsHector's dolphins (New Zealand dolphins) are also in danger of becoming extinct. The endangered river dolphins are Amazon River dolphins, Ganges River dolphins, Chinese White dolphins, Indus River dolphins, and La Plata River dolphins.
Dolphins are vertebrates.
No, but some species of dolphins are endangered, like the Indus River dolphins and the Yangtzee River dolphins. The pink Amazon River dolphins and the Ganges River dolphins are classed as vulnerable.no