It's a solution for us—getting birds to do the work is cheap and effective—and it could give vulnerable oaks and pines the option to truly "make like a tree and leave."

这对我们来说是一个解决方案——让鸟类来做这项工作既便宜又有效——它可以让脆弱的橡树和松树有机会真正“像树一样生长，然后离开”。