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 ...

More information: Per Unneberg et al, Ecological genomics in the Northern krill uncovers loci for local adaptation across ocean basins, Nature Communications (2024). DOI: 10.1038/s41467-024-50239 ...

This led leading experts to hypothesise their poo may affect krill’s behaviour. With light and water temperatures made to mimic the Southern Ocean environment, in the water channels, lead author ...