Even the quietest, most gentle humans can stress the wild creatures they are trying to study. So scientists wanting to know more about the particularly shy Emperor penguins decided to build a penguin robot. They hoped it would enable them to acquire a better understanding of the penguins, without alarming them.
After several tries, they came up with the model in the video below. The fuzzy little machine could snuggle right up to its subjects.
Read about it here