As we continued to walk from the village of Innai to the site, what happened next was definitely one of the highlights of the trip. We spotted a melanistic 4-lined Japanese Rat Snake E.quadrivirgata /カラスヘビ(Karasuhebi) by a ditch that was apparently flooded by the storm from the previous day. Upon seeing us, the snake slid into the water. After a few seconds, it emerged and approached us as we stood still. It seemed either unusually bold or very hungry (or both). As it investigated my shoe, a Tiger-keelback R.tigrinus/ ヤマカガシ(Yamakagashi) began moving towards us as well (I think it may have been chasing a frog). The E.quadrivirgata immediately turned and faced the Yamakagashi.
I will not describe what happened next in detail since an account of the event is currently in press in a herpetological journal, but I will say the encounter ended badly for the E.quadrivirgata.
We reached the site in the Amari Valley at 2:00pm. We set up the tent and finally proceeded to get down to the business of searching for Giant Salamanders (noodling, snorkeling and turning over rocks).
I’ve crawled over and around slippery stones in many rivers in my time, but I must say this one was particularly treacherous. It seemed the force required to shift about half of the damned boulders in the river was roughly the equivalent of my body weight. Within the first hour, I had a couple of near-misses before having one roll over my foot. It seemed be a minor injury at the moment, so I ignored it; I would regret doing so later.
After about 5 hours of searching we decided to make the walk back to the liquor store in Innai to replenish our stock of junk food (and do some road-side herping in the process). On the way there and back, I had my first sighting of an Asian keelback snake Amphiesma vibakari/ ヒバカリ(Hibakari), which slipped away before I could photograph it, and after nightfall we found numerous Schlegel’s Tree-Frogs Rhacophurus schlegelii hanging out on the road.