Tag Archives: spiders

Urban scientist: An unusual spider

Red-backed Jumping Spider 7

Red-backed Jumping Spider 3

It’s always good to keep your eyes open, ready to see new things. I came across this striking not-particularly-small spider with a bright red velvety abdomen, just hanging out on the concrete side of a building here in Sunnyvale, California.

I’ve never seen one of these before! How might you go about identifying it?

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