Give us a little more. Anything is possible with a predator, especially a smart one.(Fox, Raccoon)
Like.. how high is branch, how close is tree. Is it a big tree, little tree, big branch, little branch short or long strong branch or spindly. could it support a predator

?? what other protection is in place.
How often!!!

Do you think it's happening. Had any mysterious losses? Seen any signs?
A coop?? If it did would it be able to get in? Open top run? open coop door?
Jay......We need......more... .....info...power....