Add bat and bird houses (large) to control insect populations day and night

We need a native method of insect control at Redgate, especially if increased numbers of people visit the park. Large size bat houses and bird houses would seem to be called for. Low cost, no maintenance, and let nature keep the insect population in control.

Here are some criteria for bird houses: https://www.nwf.org/Magazines/National-Wildlife/2010/Best-Bird-Houses

And attached is an example of a large bat box (250 bats).