observed at Little Carson Falls, one of two known breeding locations for this species
In a reach of about 200 meters we saw a couple dozen and two gravid females. It was a mild, sunny day with lots of overhanging shade. The creek flow was steady at maybe 0.4 cfs, or 200 gpm.
Pair in amplexus
Just in case there was any doubt on the validity of its name
The foothill yellow-legged frog (Rana boylii) is a small-sized 3.72–8.2 cm (1.46–3.2 in) frog from the Rana genus in the Ranidae family. This species can be found from northern Oregon, down California’s west coast, and into Baja California, Mexico. Both the Columbia spotted frog and the Cascades frog, also part of the Rana genus, live in the northern regions of this frog's territory. They prefer to live in streams and rivers, and lay their eggs in masses attached...