Maybe the goats pass up the maples because they were full from eating oak leaves.
My goats when I had them years ago liked any leaves and grass that I gave them.
I didn't have maple trees, though.
Invasive plants are Earth's way of insisting we notice her medicines. Stephen Herrod Buhner
Everyone learns what works by learning what doesn't work. Stephen Herrod Buhner
Do the next thing next. That's a pretty good rule. Read the tiny ad, that's a pretty good rule, too.
Permaculture Voices 1, 2 and 3 - all 117 hours of video!