An at least partially open sided outdoor animal shelter structure, the structure including (a) a floor to support animals, the floor including apertures therethrough allowing animal waste matter to pass through the floor, (b) a basement below the floor for collecting the waste matter, (c) floor supports to support the floor above the basement, (d) side supports, (e) a water impervious canopy supported by the side supports, the canopy being supported above at least part of the floor, the canopy allowing at least some light to pass therethrough, (f) at least one air flow controller to control airflow in the area below the canopy.