blue cloud clouds colored colors coloured colours conditions fine formations light shapes skies sky southern spring sun tasmania Tassie textures thin vaporish vapourish variations various cloud formations weather wispy animals Australian bad-tempered black captive captive-breeding carnivorous carrion-feeder competitive devils endangered ferocious-feeder incredibly-fierce-appearance large-broad-head loud mammal marsupials muscular nocturnal Noisy powerful powerful-jaws protected pungent-odour rotund sarcophilus-harrisii scavenger screeching short-thick-tail spine-chilling-screeches squat-build stocky Tasmanian-devils thick-set vocalisations