And, it worked great. Check out the short video below.
Researchers tried five different versions before they nailed it with the one above.
Yvon Le Maho, lead author, said the penguins sang to the rover. It’s believed the adult penguins were attempting to find a mate for their chicks.
“They were very disappointed when there was no answer,” Le Maho said told Phys.org. “Next time we will have a rover playing songs.”
The success of the penguin-rover opens up research possibilities. These include studying the effects of climate change on penguin colonies, recording the vocalization of penguins and conducting environmental surveys near penguin colonies.