Small frogs eat small insects, such as crickets, grasshoppers, beetles and ants. They require more frequent feeding than their larger cousins, with most requiring feeding on a daily basis or at least several times per week.
The Radley Sanitarium is located in the fictional Darkette County, Pennsylvania. It plays into the series when Mona is in this facility, but we can guess it has something to do with the story Alison tells about the girl who was sent to a mental institution after killing her twin sister.
Rural health clinic. A rural health clinic (RHC) is a clinic located in a rural, medically under-served area in the United States that has a separate reimbursement structure from the standard medical office under the Medicare and Medicaid programs. RHCs were established by the Rural Health Clinics Act (P.L. 95-210), (Section 1905 of the Social Security Act).