The caterpillars most likely guard their leaf tip because it offers a good escape route. If an undeterred intruder continues ...

Yack said: "The sounds produced by these caterpillars are not audible humans, so we had to use specialized equipment to pick up the vibrations." Once she was certain that the teeny creatures were ...

"We had noticed that tiny warty birch caterpillars produced vibrations," says Yack, who first encountered the feisty little creatures in 2008. She also noticed that the tiny caterpillars—1 to 2 ...

‘The sounds produced by these caterpillars are not audible humans, so we had to use specialized equipment to pick up the vibrations’, says Yack. Once she was certain that the teeny creatures ...