Persistent toad

Every summer we get a couple of toads at the kennel usually spending most of their time in the drainage ditch between the inside and the outside of the kennel runs.  This year we have 2 very persistent toads living on either side of the kennel.  They invite themselves IN the kennel.  Thursday morning I went into the back of the kennel to let the dogs out and there sat one of the toads in the middle of the kennel.  Mostly they like to sit on the edge of the doggy doors in the run with the dogs.  For some reason the dogs don't acknowledge them but it sure startles me when I open a door and there sits a toad.