This time, the house entered an unusual, but very nice guest. The little fawn took advantage of the entrance to the house for animals.
Door for animals (also called more specifically, for example, cat/dog flap, cat/dog door) — just a little hole in the wall, window or door, enabling them to enter the house Pets or to withdraw from it without the need for human assistance. Originally was a simple hole, currently are damper, spring or remotely controlled (electric).
Little deer simply entered the house and walked somewhere. Looking at him we can say that he is here not the first time. So maybe he is looking for kitchen, who knows.