Question: We have a can of spray foam that says it can be used to fill cavities in tree trunks. There's a hole in one of our trees where a branch was removed -- it's about waist-high. The hole extends ...

Don’t tell your dentist I said this, but cavities are not only a good thing to have, they are also an essential component necessary for many species of animals to survive. Of course, I’m not talking ...

In my Dec. 3 column, I responded to a common question, "Do cavities or hollow spots in trees harm the tree?" Cavities in trees are a result of decay caused by fungi that invade the wood after a tree ...

I frequently get questions from homeowners wondering what causes decay and hollow spots (cavities) in trees. They also frequently inquire if the cavities harm the tree. Cavities in trees are a result ...

Woodpeckers assume a pivotal ecological role in forest ecosystems by excavating tree cavities that serve both as nesting sites for themselves and as critical resources for a diversity of secondary ...

The forests in Europe provide habitat for around 80,000 colonies of wild honeybees. That is why more attention should be paid to preserving the nesting sites for these threatened insects, according to ...

Q: I have a beautiful maple tree in my front yard. There is a big hole in the trunk where a branch was cut off. There seems to be water inside. A neighbor said it needs to be filled. Thomas “Tater” ...