Forests don’t always wake up as soon as spring arrives. Sometimes, they hold back. A new study suggests that oak trees attacked by caterpillars can delay leafing out the following spring. That tiny ...
Warning: This graphic requires JavaScript. Please enable JavaScript for the best experience. Not all trees drop their leaves in the fall. Even in the height of winter ...
Oak trees have a surprising trick to fight back against hungry caterpillars: they simply wait. When trees are heavily attacked one year, they delay leaf growth by just three days the next spring—long ...