What’s chewing branches and stripping foliage in our fenced-in backyard?

Question:

I noticed something is chewing small branches from tall trees like the poplars, and stripping foliage off euonymus in our fenced-in backyard.

Answer:

Tori Lee Jackson, Extension Professor of Agriculture and Natural Resources

I know you said you have a fence, but this sounds like deer damage to me. Deer fencing needs to be at least 8 feet high to be effective. Euonymus is a particular favorite of deer. You might consider a game camera to catch the culprit in the act.