89 hours
Oh, sure. If they didn't they'd have died out long ago.
If you mean how long can dolphin stay under water, it's about 20 minutes for a common bottlenose dolphin. I am not sure about other species of dolphins.
Sure.
Dolphins were discovered because they exist. I'm not sure I understand your question.
im pretty sure more than 500,000,000 dolphins
Ok, I'm pretty sure dolphins don't have beaks. They have noses though. But its to eat, smell, and basically all the other functions your mouth and nose have. All except for breathing. They don't breathe through their face. they breathe using their blowhole.
They most interesting fact about dolphins has to be there amazing smile! Even on your saddest day just looking at the inviting face of a bottle nosed dolphin could cheer you up in just seconds! Although the dolphins are not really smiling I'm sure deep down inside they are very joyful creatures and happy to please!
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Watching dolphins and swimming with dolphins. Or riding dolphins. If you are in swimming and dolphins come around, if you decide that you want to ride one, first make sure it's not a shark.
im not really sure but I think there is about 25 species of maui dolphins
im not sure
no they are not