For researchers, penguins are more than charismatic wildlife – they are living indicators of global pollution including that ...

The foul stench of penguin poop sets Antarctic krill on edge. In lab experiments, the mere scent of penguin droppings — or guano — sent krill scrambling for escape, researchers report March 20 in ...

probably because they know that penguins are on their way to eat them. After putting it to the test, a research team has determined that a chemical within the poo causes krill to act erratically, ...

This implies that krill engage in evasive maneuvers so much that they subsequently eat less when guano is in the water around them. “Such behavior to escape from nearby penguins would greatly ...