When Australia got too hot and dry, which killed off forests, these woodland creatures decided to live underground.
Does the idea of a spider using its web to catapult itself at high speeds give you the willies? Then be forewarned: the triangle weaver spider (Hyptiotes cavatus) does just that.
Like the white-armored and -helmeted Stormtroopers from "Star Wars," these spiders are tough to tell apart.
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