They make movements which are easily anthropomorphized, probably because of their jumping nature. Imagine a dog seeing its human after a long vacation, where it

They make movements which are easily anthropomorphized, probably because of their jumping nature. Imagine a dog seeing its human after a long vacation, where its quickly moving back and forth, and doing little jumps, etc. It may just be the spider preparing to jump or exhibiting some other behavior, but they'll even exit the enclosure when you're close, looking up at you with those oversized eyes, seemingly hopeful that you'll let them hang out and watch whatever you're doing.