I'm not disagreeing, but how else would we be able to observe behavior like this? Approaching dolphins in the wild, at least in America, is dangerous for the dolphins and illegal. Not to mention, if we WERE lucky enough to observe a dolphin doing this, what is the chance we'd be able to get evidence? Not every scientific diver brings a camera and has it ready at the right times, it's very unlikely. We've done myriads of studies that have allowed us to realize just how intelligent they are, and that's something we'd have never known or could have tested in the wild. It's a F***ing disgrace that they're kept in poor conditions and poor health. But zoos are a chance to let the average joe observe something they likely would have never seen, and thus understand and appreciate it. It's a flawed system, but those captive animals are there to help everyone understand and appreciate their wild counterparts.
Sea otter chillin' in the water
Failed bicycle race start
Badmington juggling - 10 shuttlecocks
Biker hits car mirror
Useless glove and bottle invention
Kid drinks from milk bottle after calves
Lab chimps see daylight for the first time
Yes/No illusion
Rats eating ice cream through manhole cover
Old man wet willy