Orb-weaver spider courtship
Orb-weaver Courtship (Argiope aurantia)

Orb-weavers have beautiful markings. I have enjoyed many in my small San Francisco garden. In this image, the large
spider hanging in the center of the web is the female. The smaller spider on the edge is the male who gingerly plucks
the web, sending vibrations to test the receptivity of the female. When the vibrations are right, he moves in on the web's
non-sticky radial silk lines, avoiding the sticky spiral silk used for capturing prey.


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