Some people call them “Daddy Longlegs” or “Granddaddy Longlegs”. Although they belong to the class Arachnids, they are not spiders. Actually, they are more closely related to scorpions than to spiders. The Harvestmen have the ability to detach a leg to avoid predators. The legs have a pacemaker-like organ in a leg joint which can make the leg continue to twitch for quite a while after becoming detached (presumedly to distract a predator). This one looks like it has lost a couple of legs since it is only sporting six instead of eight.

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