Deer populations in the East are way above normal carrying capacity, thanks to the absence of predators and the proliferation of edge habitat due to suburban sprawl.
Lyme disease is likely to have a great time this year, not too dry a winter for the ticks and plenty of deer to feed on.
Iirc, Greenwich Audubon had about 600 deer on their roughly 1 square mile property, they tried to cull the herd with bow hunters over a salt lick, with no real effect.
So the ground cover and low nesting birds are toast.
Eventually there will be a disease that culls the herd, most likely something such as Chronic Wasting Disease, which is as ugly as it sounds.