Confidence: I'm as sure as I can be.
Notes: Several pics required to portray all the elements of this observation. I first noticed a lump of whitish frog jelly in the stream, then the oviduct and some spawn, some of which was properly formed while other spawn out of the water wasnt at full size as can be seen. A dessicated piece of oviduct with ova within was found out of the water and an moist piece containing ova in the water. It all might suggest a frog has been preyed upon while in the process of spawning. Its a strange one. The first pic shows the various elements as found. Final pics shows the well formed spawn which is difficult to see against the dark backround. Copulating frogs were found a few metres downstream.