These dinosaur poo photographs are funny and Freda is so cute :-)
Photographer: Tania Kayrala, 2017 October
Location: A cave in Rock Island, Wollemi National Park, NSW, Australia
I am joking, it is not dinosaur shit. It is a stalagmite.
Now, in a limestone cave, stalactites and stalagmites are composed of deposition of calcium carbonate and other minerals. But here, it is formed by mud dripping down from the ceiling.
A photograph of the ceiling of the same cave is:
Photographer: Paul Ma, 2017 September
Same location as the pics by Tania Kayrala
When a stalagmite reaches the ceiling, it becomes a mud column ... as in the 2 pics below:
(But I'm no where as cute as Freda.)
Photographer: David Hou, 2017 October
Location: near Goochs Crater, Blue Mountains National Park, NSW, Australia