Depends on which dolphins you're talking about. Most dolphin species are not blind. But there are river dolphins who live in very murky waters, where sight isn't particularly useful.
And of course there might be individuals that have become blind through injury or disease.
No Dolphins are not blind. However they use sonar to judge what and where objects and other animals are from far away. They also use this same sonar to communicate with other dolphins.
No, bottenose dolphins are considered colorblind
Pink Dolphins, are Amazon Dolphins. The pink you see is actually blood. So, obviously it stays.
The pink dolphin is a different species than the dolphins you see at sea world. They are native to the Amazon and are considered to be a highly endangered species.
Yes , bottlenose dolphins have acute vision both in and out of water. Scientists do not know for sure if they can see in color or not though!
a dolphins color is gray
No, dolphins may not change colours at all.
dolphins can see through sight and echolocation
GRAY!
it is gray
grey
any color you want
no