Locally known as Boulan, it can only be found on the Indus River. It is primarily 1,300 km (807 miles) long between northeastern and southern Pakistan. Mammals are blind because they do not have a crystalline lens. 22 дек. 2017 г.
Why are Indus river dolphins blind?
Facts. Indus river dolphins are believed to have originated in the ancient Tethys Ocean. When the sea dried up about 50 million years ago, dolphins were forced to adapt to their only habitat, rivers. .. They adapt to life in muddy rivers and are functionally blind.
Are Susdolkas really blind?
Note: Soot is basically a blind dolphin because of its very poor eyesight. They hunt using an echolocation system by emitting ultrasonic waves. They are usually found in small groups or alone. River dolphins have been declared endangered by IUCN.
Do you have eyes on dolphins on the Indusca River?
The Indus river dolphin, also known as the "Boulan," is one of the most endangered cetaceans in the world. They are closely related to the Ganges dolphins, also known as soot. Their eyes are so small that scientists believe they are functionally blind and only sense the level and direction of light. 2016
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