I put my cats out this morning and propped the door open on the screened porch so they could get back in if it rained...After about an hour, still dark outside, one wanted in..I opened the door and he ran in..Out of the corner of my eye I saw what I thought was my gray cat so I went over to pick her up..she ran under the chair then in the back corner..I went in and turned the light on so I could see to get her and and to my supprise it was an opossum!!! Thank God I turned the light on...it would have chewed me up!!!