One of the San Antonio SeaWorld trainers attempts the what the fluff challenge with their Killer Whales. However, the whales are too smart for the trick and find their trainer almost instantly.
The video shows a female trainer holding a blue sheet up to the tank.
She plays peek-a-boo with the Orcas before tucking into a ball and letting the sheet collapse on her.
However, the killer whales know she did not really disappear and go down to come facet-to-face with their trainer.