I have rabbit fences around some of my veg garden areas. These 28-30" high fences are cleverly designed with closely spaced openings towards the bottom to keep the baby bunnies out, and larger spaced openings towards the top that would keep the adult rabbits out... In theory.
They had been, in fact, working very well -- until last year when I found a rabbit inside an enclosure and when I chased it, it ran around in a panic then eventually hopped out through one of the upper openings. ...I thought that was an accident.
Today, I saw a rabbit sit up on its haunches, measure the distance, and deliberately
hop through one of the upper openings of the rabbit fence.
When I chased it, although it panicked a little bit, it didn't take long to find its chance to hop through an upper opening to get away.
In addition, I put up a long deer fence along the back fence because it's an old 3-rail split rail fence with a chicken wire blocking the bottom half that groundHOGS have been able to climb over. But I heard some leaves rustling and looked over to see a rabbit casually cross along the ground from the woods beyond the split rail to inside of our backyard property line... apparently without encountering obstruction of any kind. In fact, as the sun set and twilight fell, there were two of them merrily chasing each other in and out of our back yard.
First order of business in the morning -- walk an inspection tour along the back fence and assess the situation. Then the fun begins.
I was going to enclose a new garden bed area with rabbit fence... Obviously none of that now. So two major fencing projects to accomplish before gardening season gets into full swing.
Oops gotta go -- it's starting to rain and I have windows open!