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Rana draytonii
These are young frogs. About 1.5" in sitting position. At this stage the red color is barely visible not like an adult. These are olive-brown to dark brown blotches and banding on the body and legs. On adult frogs they have a red color that extends to the belly and sides. Dorsolateral folds are seen at this stage. It also has a light color along the mouth.
These were found in a small creek running through a forest and down to the beach.
These frogs were confirmed by the CaliforniaHerps by these images. I also spotted an Egret eating a frog in the creek at the beach. Spotted in Monterey Co
I agree with the California red-legged frog ID. The dorsolateral folds and light jaw stripe are good field marks. Years ago I found an egg mass in a culvert outlet pool on the ocean side of 17-mile Drive near Pebble Beach. There were kelp fragments floating in the pool. I doubt those eggs ever hatched. I know eggs and larvae can tolerate up to around 3.5 ppt, and adults a little more.