spiderdaynightlive:

entomologize:

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Random fact: Although jumping spiders canโ€™t move their eyes, they can move their retinas to change their field of view. Itโ€™s as if theyโ€™re looking through a window.

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If the spider is clear enough, you can even see the retinas moving through the cephalothorax:

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Image sources: Melvyn Yeo, M.F. Land, and wmaddisn

note: only the largest pair of eyes can do this, the others have fixed fields of view

(via bowelflies)

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  17. teratocybernetics reblogged this from bramblepatch and added:
    '#i mean i would argue this is still moving their eyes#just moving em differently than we do'
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  26. entomologize posted this
    Random fact: Although jumping spiders can't move their eyes, they can move their retinas to change their field of view....
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