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To feed their future offspring, beetles look for dead animals, like mice or birds. But before burying the animals for safe keeping, the insects clean the skin and roll the body into a ball. Then they cover the body in a thick liquid sometimes called goop. (Technically it is called “gut secretions.”)

Leaving No Trace: Beetles Hide the Scent of Food Buried For Their Offspring FOLLOW US ON: Some beetles go to great — and disgusting — lengths for their children. They scout for a dead mouse or bird, dig a hole and bury it, pluck its fur or feathers, roll its flesh into a ball and cover it in goop — all to feed their future offspring. Now scientists think that goo might do more than just slow decay. It also appears to hide the scent of the decomposing bounty and boosts another odor that re...

Some beetles go to great — and disgusting — lengths for their children. They scout for a dead mouse or bird, dig a hole and bury it, pluck its fur or feathers, roll its flesh into a ball and cover it in goop — all to feed their future offspring. Now scientists think that goo might do more than just slow decay. It also appears to hide the scent of the decomposing bounty and boosts another odor that repels competitors. “It helps them to hide their resource from others,” said Stephen Tru...

New research suggests that some beetles are adept at hiding their food from competitors.