Stumbled upon these two, one darker, slightly bigger than the smaller, lighter one. In the sun, entwined but not sure if mating or just basking. Both of their heads are on right side, rattles on left. Never have observed one let alone two rattlers in January!
1st photo male(left) and female(right)
2nd photo female
3rd photo male
Male and female copulating on Stephanomeria diegensis.
At Cabrillo National Monument tide pools.