Hi Travis,
Well, it was a quite warm day (about 25° C). After a short period of rain, it was very bright.
Personally, I think, that there are just a few predators (maybe birds?!) in the habitat. The primary danger for the animals is to fall off a precipice or to get stroken by falling stones. (That' s why the animals tend to climb as high as possible; mostly they are stopped then by a rock face).
As the populations are very big (on a rainy day you have to take care not to step on the salamanders!!!), you can find quite a big number of young salamanders. (This day we found 18 to 20 animals, whereof 10 were juveniles.)
Nikolaus