Dolphins and beluga whales blow bubble rings and swimming through them, and tend to do this more in captivity, indicating the behavior might be a boredom-buster for them. A parallel theory is that it's a form of play and Balcombe suspects that, whatever the answer, they find the activity stimulating. Image by Hiroya Minakuchi/Minden Pictures via Wired
The Beluga Whale also called The White Whale can mostly be found in Artic waters and become their brilliant white color around 5 yrs. of age. They are considered a smallish whale between 13-20' long and live 35-50 yrs. in the wild.