the thylacine was about 1.8 metres (71 inches) long and its tail was up to 53 cms (21 inches) long. it would have been about 58 centimetres (23 inches) tall and could be up to 30 kilograms (66 pounds) in weight. it was grey and brown in colour with 16 black or brown stripes on its back. it had the same shape as a dog, but the back, rump and tail were more like a kangaroo. its tail was quite stiff. it had very short legs. it had teeth like a dog, but with more incisor teeth. the thylacine was able to open its mouth about 120 degrees.