Q: We moved to a property where there are many shallow, large roots spreading out from a mature tree in the lawn, and the roots have holes in a few places. Should we fill them in to prevent rot? A: ...

They are called excavator mulchers. That's polite. What they really do is swallow trees. This one, a DAH Forestry Mulcher from Quebec's manufacturer Denis Cimaf, consumes a 30-foot-tall, mature spruce ...

The tree swallow is the only swallow that is truly swallow tailed, meaning the tail is deeply split and has white spots. The adult is blue-black above; cinnamon-buff below, with a darker throat. Most ...

Question for Dan Gill: Could you explain why too much fill can kill a tree? --Carol Cohen Answer: Tree roots breathe in oxygen and breathe out carbon dioxide. They obtain the oxygen they need from the ...

Watch along as Dr. Clay Corbin of Bloomsburg University bands some tree swallow chicks, it's all part of the Tree Swallow Project.

It's got big iron teeth and a powerful jaw. When it finds a 30-foot tree it goes to the top, opens its mouth and — watch this. They are called excavator mulchers. That's polite. What they really do is ...