According to their results, published March 20 in Frontiers in Marine Science, it only takes a small amount of penguin guano ... Given the range of predators that regularly feed on krill, ...

Nearly every major predator from blue whales to Adélie penguins depends on them. A single humpback whale can devour 1.5 tonnes of krill per day. But krill don’t just feed wildlife, they help ...

Interestingly, the krill also appeared to lose their appetite in the presence of penguin poop, feeding 64 percent less efficiently than under normal conditions. ( Penguins don't live at the South ...

In a second set of experiments, the researchers showed that krill reduced their rate of ingesting algae for food by 64% when penguin poo was added to the water, dropping from 12.7 microgram of ...

Antarctic krill is a key species in the Antarctic marine ecosystem: it is an important food source for many species, such as whales, seals and penguins. However, the small crustaceans are ...