Might be a female Phidippus. Pretty good for an iPhone + hand lens, right?
2 exceedingly calm individuals. I can never get them thus calm. Must be me.
Track. Symmetric, toes places on parallel lines, you an draw an x btwn toe imprints.
In a tree! Apparently gopher snakes have been known to climb trees in search of eggs. Who knew.
Possible blue oak hybrid