4K A Black Mash Turtle, Siebenrockiella Crassicollis

terrapin turtle tortoise herpetology shell habitat crassicollis chelonia species plastron endangered wildlife kaeng animal reptile freshwater marsh black environment siebenrockiella floor ectotherm vulnerable asia nature wilderness testudines krachan hingeless ground national wild thailand southeast natural cold blooded outdoors stretch siamese forest sacred wet smiling park chinese medicine retract traditional temple