is it normal for a smaller bp to whistle when they breathe heavy? she only does it when she is spooked by something but not when she is breathing normally. there is no mucus in her mouth, nothing coming from her nose, and she has been eating fine. . . my fiercest eater. her tank is set at 84 ambient 78 cool side and 88-90 hotspot with 50-55 humidity. i may just be over worrying but would like to be sure