Many coast live oak (Quercus agrifolia) trees are showing unusual browning in their canopies in the last month or two. If you look carefully, you may see small, crescent-shaped galls forming on the ...

Few average Joes can correctly identify every species of oak growing in North America. That’s the kind of Final Jeopardy-level knowledge typically reserved for foresters, wildlife biologists, and very ...

One of the easiest ways to tell a red oak from a white oak is by looking at the leaves. Red oak leaves have pointed lobes and white oak leaves have rounded ones. (Adobe Stock / Field & Stream) Leaves ...